Session Changes/Deferrals

Applicants are able to change their booking up to seven (7) business days prior to their allocated exam session. After this time no session changes will be permitted.

To change your session please sign in to the Candidate Registration Portal using the details previously provided to you by email.

Application ID number: XXXXXX
Surname:                    XXXXXX

Please Note: Seats in each session will be allocated on a first-in, first-served basis. ACER and NSW Police do not guarantee that applicants will be able to reserve a seat in any given session.

If you need to change your session within seven (7) business days of the scheduled sitting, you may apply in writing to

You must have a valid reason with supporting documentation (such as a medical certificate).

If you book an exam session but do not attend without notifying ACER you risk a six (6) months delay in applying again.