This is an HTML version of an attachment to the Official Information request 'Incapacity Policies'.

Definition of Incapacity Policy v10.0
 
Summary
'Incapacity' for these clients is determined by whether the 
personal injury restricts or prevents them, mentally or 
physically, from being able to perform their employment 
Objective
activities.
This page provides you with the definition of ‘incapacity’ pro-
vided by the Accident Compensation Act 2001. A client's eligi-
To determine whether a client is unable to work due to 
bility for weekly compensation depends on their inability to carry 
the injury, refer to Determine incapacity - client employed 
out employment.
at the time of injury.
Determine incapacity – client employed at the time of 
Use this guidance to determine incapacity of a client, ie whether 
injury (CHIPS)
the client is unable, because of their personal injury, to engage 
in either:
• employment that they were in when they suffered the personal 
3.0 Determine incapacity under Section 105 of the 
injury (section 103)
• work that they are suited for based on their experience, edu-
Accident Compensation Act 2001
cation, training, or combination of those things (section 105).
Section 105 of the Accident Compensation Act 2001 ap-
plies if, when the client became unable to work, they:
If a client is not incapacitated, then a client is not eligible for 
• were a potential earner
weekly compensation.
• had a TimeOut cover policy
• were not in employment, but had recently ceased 
This guidance applies to incapacities that occurred from 1 July 
employment and extension of employee status applies.
2010.
'Incapacity' for these clients is determined by whether the 
1) Definition of incapacity
personal injury restricts or prevents them, mentally or 
2) Determine incapacity under Section 103 of the Accident 
physically, from being able to engage in employment for 
Compensation Act 2001
which they are suited by reason of education, experience 
3) Determine incapacity under Section 105 of the Accident 
or training, or a combination of these things.
Compensation Act 2001
To determine whether the client is unable to work due to 
4) Links to legislation
the injury, and what is suitable employment, refer to 
Determine incapacity – client has ceased employment, 
Owner
9(2)(a)
was potential earner or has TimeOut cover.
Expert
9(2)(a)
Determine incapacity – client has ceased employ-
ment, was potential earner or has TimeOut cover 
Policy
(CHIPS)
1.0 Definition of incapacity
Section 6 of the Accident Compensation Act 2001 defines  4.0 Links to legislation
‘incapacity’ as determined under either:
Accident Compensation Act 2001, section 103
• Section 103 or
http://www.legislation.govt.nz/act/public/2001/0049/
• Section 105.
latest/DLM101458.html
Sections 103 and 105 of the Accident Compensation Act 
Accident Compensation Act 2001, section 105
2001 only apply to the covered personal injury.
http://www.legislation.govt.nz/act/public/2001/0049/
NOTE Accident Compensation Act 2001, section 
latest/DLM101462.html
103
The client is unable to engage in employment for 
which they were employed when the personal 
injury was suffered.
NOTE Accident Compensation Act 2001, section 
105
The client is unable to engage in employment for 
which they are suited by reason of education, 
experience or training, or a combination of these 
things.
Inability to work includes being absent from employment 
to get treatment for the personal injury if the treatment is:
• necessary for the injury
• of a type that we, as the insurer, are liable to provide.
2.0 Determine incapacity under Section 103 of the 
Accident Compensation Act 2001
Section 103 of the Accident Compensation Act 2001 ap-
plies if, at the time of the injury, the client is:
• an earner
• on unpaid parental leave or
• a recuperating organ donor.
ACC > Claims Management > Manage Client Payments > Operational Policies > Weekly Compensation  > Incapacity > Definition of Incapacity Policy
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Further Personal Injury v12.0
 
Summary
3.0 If and when to transfer costs
In cases of further personal injury, a decision needs to be 
Objective
made about whether, weekly compensation should be 
Refer to this guidance when a client suffers a further per-
paid on the further personal injury claim, and if so, from 
sonal injury. This information applies to claims where the client 
when.
became unable to work from 1 July 2010.
Use the attached two decision tables to determine if and 
1) Rules
when to transfer costs, from the prior personal injury 
2) Exceptions
claim, to the further personal injury claim.
3) If and when to transfer costs
4) Transferring weekly compensation
Decision table one - abated weekly compensation
5) Further personal injury is fatal
6) Letter to treatment provider
7) Confirming eligibility for new injury
8) Self-employed people and non-PAYE shareholder employees
Owner
9(2)(a)
Expert
9(2)(a)
Procedure
1.0 Rules
a
Decision table one - abated weekly 
A client who is unable to work due to a personal injury 
compensation.PNG
and receiving weekly compensation from ACC may sus-
tain a further personal injury, which is also covered by 
NOTE Example
ACC.
A client injures their right knee while at work, 
which causes a permanent inability to perform 
For example, a client may be on weekly compensation 
their work duties. ACC determines that they are 
for a knee injury sustained while playing sport then, also 
eligible to receive a weekly compensation pay-
suffer a back injury lifting a heavy object in a separate 
ment of $400 per week.
accident. This second injury is regarded as a further per-
sonal injury.
The client gradually returns to a new job at near 
full capacity and is receiving $100 abated weekly 
In such cases, ACC needs to decide if and when weekly 
compensation per week when they have a motor 
compensation payments should be transferred, from the 
vehicle accident and injure their left leg, which 
prior personal injury claim, to the further personal injury 
results in an amputation. Weekly compensation 
claim. This is because a client cannot receive weekly 
payable after the further personal injury is $400, 
compensation on more than one claim file at a time.
because the client is certified fully unfit for work 
from the date that the further personal injury 
If there is a transfer, the existing weekly earnings calcu-
occurs.
lation on the prior personal injury claim, continues to 
apply on the further personal injury claim. A recalculation 
As weekly compensation payable in the week 
of weekly earnings, based on earnings prior to the date of 
following the further personal injury (that is, 
the further personal injury, is not required.
$400) is more than double the amount payable in 
the week prior to the further personal injury (that 
is, $100), and medical evidence confirms that 
2.0 Exceptions
both the first and second injury are likely to 
a
cause inability to work of equivalent duration, 
There are two exceptions when considering whether to 
weekly compensation is transferred to the further 
transfer costs from the prior personal injury claim, to the 
personal injury claim from the date that this fur-
further personal injury claim:
ther personal injury occurs.
1) If Earnings Related Compensation (ERC) was being 
Decision table two
paid on two claim files immediately before 1 July 1992 
and these payments were carried over under the transi-
tional provisions, of the Accident Rehabilitation and 
Compensation Insurance Act 1992 and subsequently car-
ried forward under the transitional provision, of the Acci-
dent Insurance Act 1998 and the Accident Compensation 
Act 2001
2) If a client is receiving compensation as a dependent, 
Decision table two.PNG
on an accidental death claim and is also receiving weekly 
compensation for loss of earnings, due to personal injury 
on another claim.
ACC > Claims Management > Manage Client Payments > Operational Policies > Weekly Compensation  > Incapacity > Further Personal Injury
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4.0 Transferring weekly compensation
6.0 Letter to treatment provider
  Under the Accident Compensation Act 2001, Schedule 1 
If a letter to the client’s treatment provider is required to 
Clause 48 a client’s eligibility for weekly compensation for 
establish the date on which the inability to work, due to 
the further personal injury is based on the client’s weekly 
the initial personal injury, will cease and the date on 
earnings from the prior personal injury claim.
which the inability to work, due to the further personal 
injury, will cease, the following questions may be helpful:
This means that the weekly earnings, as calculated on 
the prior personal injury claim, updated for any applicable 
• In your opinion, on what date would <client’s name> 
indexation, become the weekly earnings for the further 
have been fit for work, after their initial personal injury?
personal injury claim.
• If you are unable to provide this date, is it your view that 
Similarly, as the client’s inability to work is continuous be-
the inability to work, due to <client’s name> initial per-
tween the prior personal injury claim and the further per-
sonal injury, will continue beyond that, due to their further 
sonal injury claim, the inability to work regime of the prior 
(new) personal injury?
personal injury claim is carried forward to the further per-
sonal injury claim. That is, the same first week, short-term 
• Is <client’s name> further personal injury contributing to 
and long-term periods that applied on the prior personal 
their current inability to work?
injury claim will also apply on the further personal injury 
claim. In other words the second claim ’picks up‘ the 
• Has <client’s name> further personal injury delayed 
regime of inability to work, of the prior personal injury 
recovery from their initial personal injury?
claim.
• Is it your view that <client’s name> inability to work, due 
See: Examples: Transferring weekly compensation - Ref-
to their initial personal injury, would have stopped, before 
erence
the inability to work due to their further personal injury 
stopped? That is, would they have received a clearance, 
NOTE If the further personal injury is a work injury 
had it not been for their further personal injury?
and the employer has made a first week pay-
ment then those earnings will need to be 

• In your opinion, on what date should <client’s name> 
considered for abatement.
inability to work, due to their further personal injury stop?
Examples – transferring weekly compensation - Ref-
• For what period will <client’s name> be unable to work, 
erence
solely as a result of their further personal injury?
http://thesauce/team-spaces/chips/compensation/
weekly-compensation/reference/incapacity-187/
• If you are unable to advise on any of these points, 
examples--transferring-weekly-compensation/
would you please give the reason, or a date when this 
index.htm
information will be available.
Accident Compensation Act 2001, Schedule 1, 
NOTE Wherever possible in these questions, subs-
Clause 48
titute a brief description of the relevant injury 
http://www.legislation.govt.nz/act/public/2001/0049/
for the terms ’initial personal injury‘, and ’fur-
latest/DLM104893.html
ther personal injury’. Take care not to request 
information that ACC already has.

5.0 Further personal injury is fatal
If the further personal injury results in death, inability to 
7.0 Confirming eligibility for new injury
work on the prior personal injury claim ceases at the date 
of death.
If a person suffers a new injury, that makes them unable 
to work within 28 days of ceasing weekly compensation 
Weekly compensation ceases to be payable on the prior 
on a prior personal injury claim, confirm whether the 
personal injury claim at the date of death. If the fatal 
client is eligible for weekly compensation for the new 
claim is accepted, payment of weekly compensation 
injury.
based on the prior claims weekly earnings is payable to 
spouses, children and other dependants of the deceased 
That is, they are an earner in employment at the time the 
from the date of death.
new injury occurred and have earnings immediately 
before they became unable to work due to the new injury. 
See: Determine when to transfer weekly compensation to 
See: Determine employment type and eligibility
the further personal injury claim
Where a new inability to work applies, weekly earnings 
Determine when to transfer weekly compensation to 
are always recalculated based on earnings before the 
the further personal injury claim - Reference
client became unable to work for the new injury.
http://thesauce/team-spaces/chips/compensation/
weekly-compensation/reference/incapacity-187/
Deciding employment type and eligibility - Reference
transfer-weekly-compensation-to-the-further-injury-
http://thesauce/team-spaces/chips/compensation/
claim/index.htm
weekly-compensation/reference/eligibility-187/
deciding-employment-type-and-eligibility/index.htm
ACC > Claims Management > Manage Client Payments > Operational Policies > Weekly Compensation  > Incapacity > Further Personal Injury
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8.0 Self-employed people and non-PAYE share-
  holder employees
Further personal injury Policy.PNG
Gather information for self-employed Policy
https://go.promapp.com/accnz/Process/20a673e5-
f5ed-456a-acee-5f58c78f6d09
Gather information for shareholder employees Policy
https://go.promapp.com/accnz/Process/a965edac-
ca71-4d31-85d2-81688bb1cfc7
Calculate weekly compensation Policy
https://go.promapp.com/accnz/
Process/69479386-2eb5-4624-b1d8-1ec9c4f4354f
9.0 How to request a further injury transfer of 
entitlement
Determine information required by the Payments Team
NOTE What information does the payments team re-
quire?
You need to complete a Non-Standard Eform (or 
all of the requisite information provided in the 
task) and provide:
- The originating claim number
- The further injury transfer date
- Approved incapacity from the date of entitle-
ment on the further injury claim
- Any other instructions that may be relevant for 
the assessment
You also need to:
- Wind back medical cover to the day before the 
further injury transfer date on the originating 
claim. (Consider changing this date if the action 
will result in an overpayment to the client)
Add an Eform
http://thesauce/team-spaces/eos-online-help/
documents/add-an-eform/index.htm
Add approved incapacity
Modify approved incapacity
Create task for payments team and link required infor-
mation
NOTE What task should I use to make the request
Use the Setup Weekly Compensation Task and 
link the completed Non-Standard E-Form to the 
task
Link a document to a task in Eos
PROCESS
Transfer Weekly Compensation to a 
New Claim due to Further Injury

ACC > Claims Management > Manage Client Payments > Operational Policies > Weekly Compensation  > Incapacity > Further Personal Injury
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Straight-Through Payment Processing Business Rules v2.0
 
Summary
Objective
This page lists the business rules related to straight-through 
payment processing.
Owner
9(2)(a)
Expert
9(2)(a)
Policy
1.0 Straight-through payment processing business 
rules
Business rules governing straight-through processing of 
electronic ACC18s.
Automatic approval of a pending activity period
Definition of a pending activity period
Automatic approval of a weekly compensation pay-
ment for a payable activity period
Notification for a manual approval of and activity 
period payment
Definition of a non-payable activity period
Definition of a payable activity period
Definition of a valid IRD Number
Pending activity periods for an exception payment 
may be automatically approved
Payments for an exception payment may be 
automatically approved
ACC > Claims Management > Manage Client Payments > Operational Policies > Weekly Compensation  > Incapacity > Straight-Through Payment Processing Business Rules
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Straight-Through Payment Processing Business Rules 
 
 
 
 
 







 
 
 
 
 
 
 
 


Establishing Date of First Incapacity (DOFI) v8.0
 
Summary
4.0 Client on leave
Objective
If a client is on annual or other paid leave on the first day 
Determining the date of first incapacity (DOFI) is important as it 
they are certified as unfit for work, this day is DOFI. This 
establishes when a client’s first week period starts. Refer to this 
is regardless of whether or not the business was open at 
guidance to help you determine the first week period and estab-
the time the client was on annual, or other paid leave.
lish the start of the client’s weekly compensation.
Determine DOFI as if they had not been on leave at the 
time.
1) Determining a client’s DOFI
2) Time off work for treatment before certified as unable to work
For example: A worker who normally works on Mondays:
3) No time off work for treatment before certified as unable to 
• is on leave on a Monday, when they suffer an injury
work
• is certified as being unable to work from that day.
4) Client on leave
The Monday date is the DOFI date.
5) Statutory holidays
This also applies if the client is on unpaid leave when in-
jured, provided they are accepted as being an earner. 
Owner
See Unpaid leave.
9(2)(a)
Unpaid leave
Expert
9(2)(a)
https://go.promapp.com/accnz/
Process/6b0e3eaa-4d40-41a7-bbb7-084a7fb81470
Policy
1.0 Rules
5.0 Statutory holidays
A client’s date of first incapacity (DOFI) is the earlier of 
the first date that they:
DOFI is the first date the client was medically certified as 
• were medically certified as unfit for work due to their 
unable to work.
injury
If a statutory holiday falls between the date that the client 
• had time off work to receive necessary health care 
is certified as being unable to work and the day that they 
treatment for their injury.
would have worked, if not for being unable to work due to 
Each claim can have only one DOFI date.
the injury, DOFI is taken as the earlier date, ie the date 
they were certified as unable to work.
If the client has an injury, they will be medically certified 
as unfit for their employment from the date they were first 
off work due to this personal injury. This date is the DOFI.
Definition of incapacity
https://go.promapp.com/accnz/Process/4a00b447-
a198-4dee-9537-facfa9ff9376
Examples – determining DOFI - Reference
http://thesauce/team-spaces/chips/compensation/
weekly-compensation/reference/incapacity-187/
examples--determining-dofi/index.htm
2.0 Time off work for treatment before certified as 
unable to work
If the client has taken time off work for treatment before 
the date they were first medically certified as unable to 
work, the date of that treatment is DOFI.
This earlier date can only be used as DOFI if ACC is re-
quired, or allowed, to pay for the type of treatment they 
received.
ACC also needs confirmation from the employer of any 
actual time taken off work.
3.0 No time off work for treatment before certified 
unable to work
If the client has not had time off during work hours for 
necessary treatment, DOFI is the first date they were 
medically certified as unable to work.
For example: a Monday to Friday worker:
• suffered an injury after work on Friday
• went to the doctor the next day, where they were cer-
tified unable to work from that day.
The Saturday's date is the DOFI.
ACC > Claims Management > Manage Client Payments > Operational Policies > Weekly Compensation  > Incapacity > Establishing Date of First Incapacity (DOFI)
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Medical Certification for Non-Serious Injury Claims  v12.0
 
Summary
4.0 Criteria
Objective
Medical certificates can be accepted for periods ex-
This entry informs you about the ways we accept medical certif-
ceeding 13 weeks, for a maximum period of 12 months, if 
icates, the frequency that the client must provides us with a 
all the following are met:
medical certificate. Refer to this guidance to determine whether 
• physical or mental restrictions have stabilised and are 
a client is exempt from submitting a medical certificate every 13 
likely to remain unchanged
weeks, and whether we can pay them if there are gaps between 
• these restrictions mean the client is unable to perform 
medical certificates.
any work
• eligibility for long-term support is not in doubt.
1) Frequency of medical certificates
Significant periods of backdated support, if maintained by 
2) Acceptance of certificates
medical evidence, eg an Occupational Physician’s report.
3) Exemptions
4) Criteria
5) Rules
6) Cases where an exemption should not apply
5.0 Rules
7) Unstable health status: Serious Injury clients
Agreement to less frequent medical certificates must be 
8) Monitoring exemptions
documented in the client’s Individual Rehabilitation Plan 
9) Gaps of time between medical certificates
(IRP).
10) Gaps between medical certificates of less than 29 days
The client must agree that:
11) When the gap between medical certificates is longer than 28 
• the case manager will monitor their ongoing inability to 
days, or 90 in the case of a seriously injured client
work as part of scheduled, regular contact
12) Compensation for permanent inability to work
• the client, or their representative, must regularly com-
plete a personal declaration, stating they are aware of 
Background
their responsibility to declare to ACC, any change in work 
To be eligible for ongoing weekly compensation, clients must 
fitness and other income, to continue being eligible for 
provide ACC with regular medical certificates certifying their ina-
weekly compensation.
bility to work.
NOTE This declaration is necessary to monitor 
progress and reduce the potential for fraud.
Regular medical certificates allow ACC to monitor a client’s con-
tinued need for weekly compensation and rehabilitation.
Owner
9(2)(a)
6.0 Where the exemption to allow less frequent 
Expert
9(2)(a)
medical certificates does not apply
Policy
The exemption to allow less frequent medical certificates 
should not apply in the following cases:
1.0 Frequency of medical certificates
• strain and sprain cases, including back strains and 
occupational overuse claims
ACC requires medical certificates to be submitted at least 
• serious injury – where the client is ‘non-compliant’ with 
every 13 weeks, for long-term clients.
treatment or rehabilitation
Where the client is receiving on-going treatment from a 
• clients who are residing overseas
medical practitioner, more frequent certificates may be 
• sensitive claims – other than when they involve serious 
appropriate to ensure:
injury clients who are receiving intensive treatment.
• the client attends the medical/nurse practitioner when 
Serious injury status, for a sensitive claim, is usually for a 
requested
temporary duration of six months to two years while the 
• the client’s condition does not change in the meantime, 
client receives intensive, usually in-patient or residential, 
enabling them to return to work.
treatment. In these situations the duration of a medical 
certificate is determined between the case manager, 
client and health provider, and is written into the client’s 
2.0 Acceptance of certificates
IRP.
Certificates that result in the granting of support may be 
accepted by Fax or direct from a provider electronically.
7.0 Unstable health status: Serious Injury clients
All medical certificates must be signed by the relevant 
provider, or, in the case of an eACC18, must be appro-
Where the health status of the client is fragile or unstable, 
priately authorised by the provider. The patient does not 
eg where there are pressure sores or recurrent infec-
need to sign either the ACC18 or eACC18.
tions, the exemption to allow less frequent medical certif-
icates does not apply. This includes all ventilator-
dependent tetraplegics.
3.0 Exemptions
In these cases, although the client’s level of physical 
It may be appropriate to require medical certificates at 
restriction is not in doubt, it is vital for their health status, 
intervals of more than 13 weeks, for example at six- or 
that there is regular medical supervision. The 13-weekly 
twelve-monthly intervals.
medical certificate provides this opportunity.
Ongoing inability to work because of their injury, is in-
stead, monitored by regular contact with the case man-
ager.
ACC > Claims Management > Manage Client Payments > Operational Policies > Weekly Compensation  > Incapacity > Medical Certification for Non-Serious Injury Claims
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8.0 Monitoring less frequent medical certificate 
11.0 When the gap between medical certificates is 
  exemptions
longer than 28 days or 90 in the case of a se-
There will be situations where an exemption for less fre-
riously injured client
quent medical certificates may need to be withdrawn 
A client can continue to be eligible for weekly compen-
once already approved, eg for reasons of non-
sation during a period of more than 28 days or 90 days 
compliance.
respectively in circumstances where:
Team Managers are responsible for ensuring that discre-
• the client has a significant injury and was obviously 
tion for agreement to less regular medical certificates is 
unable to work
exercised appropriately.
• the length of the period between medical certificates is 
due to the fact, that the client was otherwise unable to 
Team Managers are also responsible for monitoring the 
get to a doctor, eg this could be because of an illness.
use of this discretion as part of their coaching and Quality 
Assurance responsibilities.
Request an exemption - Reference
12.0 Permanent eligibility for weekly compensation
http://thesauce/team-spaces/chips/compensation/
Clients who, prior to 1 October 1992, were formally as-
weekly-compensation/reference/incapacity-187/
sessed for and awarded compensation for permanent 
request-an-exemption/index.htm
eligilbility for weekly compensation under Accident 
Entering details into Eos Contacts - Reference
Compensation Act 1972, Section 114 or Accident 
http://thesauce/team-spaces/chips/compensation/
Compensation Act 1982, Section 60 are not required to 
weekly-compensation/reference/incapacity-187/
provide ACC with medical certificates.
entering-details-into-eos-contacts/index.htm
Any case involving a client who is not eligible for a per-
manent inability to work award, as outlined above and 
who is not providing regular medical certificates, must be 
9.0 Gaps of time between medical certificates
brought to the attention of the Technical Specialist or 
Team Manager.
In some cases there may be a gap between the period 
covered by the elapsed medical certificate and the period 
covered by the new medical certificate.
NOTE Example
A client suffers an injury on 14 February and 
their first medical certificate covers their inability 
to work for 13 weeks up to 16 May. The second 
medical certificate covers the next 13-week 
period to 18 August, but as the client was late in 
getting to the doctor it does not start until 19 
May. In this case there is a two-day gap.
10.0 Gaps between medical certificates of less than 
29 days
When the gap between medical certificates is less than 
29 days, or 91 days in the case of a Seriously Injured 
client, the client continues to be eligible for weekly 
compensation, so long as ACC is satisfied that the client 
was fully unable to work for that period.
Consider each case on its own merits. Some examples:
• The client has a serious injury, and was clearly unable 
to work, but could not get an appointment with their gen-
eral practitioner.
• The gap occurred within the accepted duration for that 
type of injury, and both the client and the current em-
ployer have confirmed the client did not work.
In all cases:
• contact the client and/or their employer to confirm they 
did not work during the gap period and note their re-
sponse on Eos Contacts
• note the gap period on Eos Contacts.
ACC > Claims Management > Manage Client Payments > Operational Policies > Weekly Compensation  > Incapacity > Medical Certification for Non-Serious Injury Claims
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Medical Certification for Serious Injury Claims  v9.0
 
Summary
2.0 Key Points of the new process
An initial decision is made while the client is in post-acute 
Objective
rehabilitation, or soon after, about whether ongoing med-
Serious injury claims are managed by the National Serious 
ical certificates are required. This decision involves the 
Injury Service using a different service approach than for non-
support coordinator consulting with the team manager, 
serious injury claims.
and if required an appropriate Medical Adviser, and is 
made based on if:
Owner
9(2)(a)
• the disability arising from the impairment has reached a 
point from which it is unlikely to significantly improve.
Expert
9(2)(a)
• the client is unable to return to the employment they 
Procedure
had at the time of the injury
1.0 Rules
• the client is participating, or planning to participate in a 
In relation to medical certification, serious injury clients 
Supported Employment program or vocation rehabil-
differ because:
itation, including the Initial Occupational Assessment/
Initial Medical Assessment process
• they have sustained a significant and permanent impair-
ment
• there is any indication the client will be non-compliant 
with necessary treatment requirements, or with the Indi-
• once their condition is stable, a one time determination 
vidual Planning process.
can usually be made on their ability to return to their pre-
injury employment
• they will usually have a long term treatment relationship 
with one or more medical practitioners.
The process chart below sets out the overall process for 
Serious Injury clients.
Key Points of the new process.PNG
A further decision can be made at a later date, if required 
by:
• the IP process identifying Supported Employment as a 
service to meet client goals
• the client undertaking vocational rehabilitation, including 
the Initial Occupational Assessment/Initial Medical 
Assessment process
• the client’s condition or level of compliance changing
Medical Certification for Serious Injury claims 
process chart.png
• identification that the status of their inability to work is 
likely to, or needs to, be altered.
This process complies with the legislation and removes 
the unnecessary burdens of the process for non-serious 
injury clients for this group. It removes the financial 
burden to clients, of attending a doctor just for an ACC 
medical certificate and allows ACC to withdraw from their 
lives, thereby enhancing any ongoing relationship with 
ACC. The process also reduces the administrative 
burden for NSIS staff.
Issues around Fraud and return to work expectations will 
be managed outside of the medical certification process.
ACC > Claims Management > Manage Client Payments > Operational Policies > Weekly Compensation  > Incapacity > Medical Certification for Serious Injury Claims
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Rules for Medical Certificates for Inability to Work v7.0
 
Summary
2.0 Legislation related to the activities of health 
practitioners and the certification ACC will 
Objective
accept from health practitioners
This guidance outlines the information that ACC require from 
Legislative changes mean suitably qualified health practi-
a medical health professional when they issue an acceptable 
tioners will be able to carry out some activities that could 
medical certificate confirming the client is unable to work. This 
previously only be done by medical practitioners (doc-
guidance covers retrospective, and forward-dated medical 
tors). Refer to the Health Practitioners (Replacement of 
certificates. Refer to this guidance to determine whether a med-
Statutory References to Medical Practitioners) Bill in 
ical certificate contains the information we require to confirm 
Activity 6.0.
inability to work.
One of these involves a change to the Holidays Act 2003. 
1) Rules: medical practitioners issuing medical certificates for 
The Holidays Act allows an employer to require an em-
inability to work
ployee to produce proof of sickness or injury. The Act pre-
2) Legislation related to the activities of health practitioners and 
viously stated that this proof may include ‘a certificate 
the certification ACC will accept from health practitioners
from a medical practitioner’. The recent amendment 
3) Acceptance of certificates
changes this to ‘a certificate from a health practitioner’.
4) Retrospective medical certificates
ACC’s legislation has not changed and the requirement 
5) Forward-dated medical certificates
for an assessment of inability to work remains by a med-
6) Links to guidelines and legislation
ical or nurse practitioner.
Owner
However, ACC can accept a health practitioner’s certif-
9(2)(a)
icate for the purposes of determining the first date the 
Expert
9(2)(a)
client became unable to work, if they had taken time off 
work to be treated by the health practitioner. ACC would 
Procedure
also require confirmation that the client was absent from 
work to attend that treatment. The treatment would have 
1.0 Rules: medical practitioners issuing medical 
to be one that ACC is liable to provide and is necessary 
certificates for inability to work
for the client’s covered injury.
A medical practitioner (or nurse practitioner) can confirm 
whether a client is unable to perform their employment 
duties through issuing a medical certificate. A medical 
3.0 Acceptance of certificates
certificate can be any of the following:
Certificates that result in the granting of support may be 
• an ACC045 ACC injury claim form
accepted by fax or direct from a provider electronically.
• an ACC018 Medical Certificate
• electronically created medical certificate
All medical certificates must be signed by the relevant 
• inability to work included within a report from a medical 
provider, or, in the case of an eACC18, must be appro-
practitioner.
priately authorised by the provider. The patient does not 
need to sign either the ACC18 or eACC18.
The medical certificate should be provided by the medical 
practitioner the client consulted about the injury when 
When we receive a manual ACC18 Medical Certificate it 
they became unable to work.
must have a valid provider ID to ensure that the certif-
icate can be approved for payment.
For ACC to accept the certificate, it must refer to the 
injury in question and clearly identify the client’s restric-
Provider detail is a mandatory field in Eos, as they must 
tions due to the injury.
exist to process a manual ACC18 and/or eACC18. How-
ever, Vendor and Facility fields are optional.
Electronically created medical certificates can only be ac-
cepted from medical practitioners who have had their 
If the Provider ID is showing as invalid, then you will need 
certificates approved by Corporate Office and numbers 
to search for the correct Provider or use the dummy 
allocated.
number K95229.
If that doctor is not available, a medical practitioner from 
the same practice can provide the certificate, if details of 
4.0 Retrospective medical certificates
the consultation can be confirmed.
Medical certificates that cover a period before the date of 
If a public hospital provided treatment to the client but did 
consultation are less convincing proof of inability to work 
not complete a certificate, it can be completed later, pro-
and may not be acceptable. In this case:
vided the medical practitioner completing the certificate 
has the hospital notes. If required, contact this medical 
• obtain further medical information before deciding 
practitioner to check that the hospital notes were avail-
whether to accept a retrospective certificate
able to them.
See the Medical Council of New Zealand's guidelines on 
• determine the basis on which the retrospective medical 
medical certification for more information on doctors' 
certificate has been given. This can be sought from the 
professional obligations when completing certificates.
medical practitioner
• obtain confirmation from the client’s employer that they 
had time off work due to their inability to work due to the 
injury.
It may also be helpful to get comments from a Medical 
Advisor before deciding.
ACC > Claims Management > Manage Client Payments > Operational Policies > Weekly Compensation  > Incapacity > Rules for Medical Certificates for Inability to Work
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Retrospective certificates by a medical practitioner may 
 
be more compelling when read alongside a Health Practi-
tioner’s certificate particularly where the client has been 
treated by them in the intervening period.
5.0 Forward-dated medical certificates
Medical certificates specifying a period of inability to 
work, that starts sometime after the date of consultation, 
can be accepted depending on the circumstances of 
each case. Factors to be considered in deciding whether 
to accept a forward-dated medical certificate include:
• the reason for the certificate being forward-dated, e.g. if 
surgery is expected, or a current certificate of inability to 
work is due to expire
• gap between the date the certificate was completed and 
the specified start date for the period that the client was 
unable to work (this must only be a few days)
• the duration of inability to work is specified, particularly 
where the certificate is forward-dated because surgery is 
planned
• the medical details of the injury and inability to work, i.e. 
if the available facts clearly support that the person would 
be unable to work
• the basis on which the forward-dated medical certificate 
has been given should be determined. This may be 
sought from the medical practitioner.
It may also be helpful to get comments from a Medical 
Advisor before deciding.
Where ACC does accept a forward-dated medical certif-
icate, the period of inability to work is taken from the ‘date 
specified on the certificate’, not the date the certificate is 
completed.
Ensure the reasons for accepting or rejecting a forward-
dated medical certificate are recorded on Eos Contacts 
Log.
6.0 Links to guidelines and legislation
Medical Council of New Zealand's guidelines on 
medical certification
https://www.google.com/url?
sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja
&uact=8&ved=2ahUKEwj23PG9vN_gAhWDV30KH
Qe8AL4QFjAAegQIChAC&url=https%3A%2F%
2Fwww.mcnz.org.nz%2Fassets%2FNews-and-
Publications%2FStatements%2FMedical-
certification.pdf&usg=AOvVaw3KjCXxcxD8x1Y5Ma5
55auc
Health Practitioners (Replacement of Statutory 
References to Medical Practitioners) Bill
http://www.legislation.govt.nz/bill/
government/2015/0036/23.0/DLM6514118.html
Holidays Act 2003
http://www.legislation.govt.nz/act/
public/2003/0129/45.0/DLM236387.html
ACC > Claims Management > Manage Client Payments > Operational Policies > Weekly Compensation  > Incapacity > Rules for Medical Certificates for Inability to Work
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Subsequent Inability to Work (Subsequent Incapacity) v9.0
 
Summary
Objective
Refer to this guidance to determine whether a client has suf-
fered a subsequent inability to work, and the date that subse-
quent inability to work began. This guidance applies to claims 
where the client became unable to work from 1 July 2010.
1) Determining subsequent inability to work
2) Date of subsequent incapacity (DOSI)
Owner
9(2)(a)
Expert
9(2)(a)
Policy
1.0 Determining subsequent inability to work
A subsequent inability to work can occur if a client has:
• had a period when they were unable to work
• ceases to be unable to work
• becomes unable to work for a further period, due to that 
same personal injury.
2.0 Date of subsequent incapacity (DOSI)
The date the client subsequently becomes unable to 
work (date of subsequent incapacity ‘DOSI’) is the first 
day of a new period that they are no longer able to work 
because of their injury. DOSI also includes time off work 
for treatment for their injury.
To be eligible for a weekly earnings calculation in respect 
of an employment, the client must either:
• hold that employment at DOSI and have been in 
employment at the date of injury; OR
• satisfy the extension of earner status criteria under 
clause 43 of Schedule 1 at DOSI. The client does not 
need to be in employment at the date of injury under this 
criterion.
Refer to Determine if a subsequent incapacity.
Determine if a subsequent incapacity - Reference
http://thesauce/team-spaces/chips/compensation/
weekly-compensation/reference/incapacity-187/
determine-if-a-subsequent-incapacity/index.htm
Extension of Employment status policy
https://go.promapp.com/accnz/Process/
edf99751-2dab-453e-8e58-db46ad9a1be6?
force=False
Eligibility criteria for weekly compensation
https://go.promapp.com/accnz/Process/aa77ed4c-
f8eb-472b-b001-112a97080068?force=False
3.0 Link to process
(NGCM) Conduct Recovery Check-in Conversation
https://go.promapp.com/accnz/
Process/9ec268dc-24a7-4d98-8776-4f3201104d2a#
ACC > Claims Management > Manage Client Payments > Operational Policies > Weekly Compensation  > Incapacity > Subsequent Inability to Work (Subsequent Incapacity)
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