If your birth was registered in NSW and you've undergone a sex affirmation procedure, you can apply to have your Registry record updated.


To record a change of sex on your own Registry entry, you need to be aged 18 years or older.

To record a change of sex on a child's entry, you must be the parent(s) or guardian(s) of a child:

  • whose birth is registered in NSW
  • who has undergone a sex affirmation procedure.

What you need

  • the PDF form – 'Application to record a change of sex'
  • 2 statutory declarations
    Note: The 2 statutory declarations are included on the form and must be:
    • completed by 2 different medical practitioners
    • witnessed by an authorised witness as described on the form
  • your current personal and contact details
  • your personal details as registered at birth
  • 3 certified forms of your identification, including photo identification
  • your payment.

How to apply

  1. Check the eligibility requirements.
  2. Select the 'Download PDF form' button.
  3. Complete the form including the statutory declarations.
  4. Gather all the required identity documentation.
  5. Visit a Service NSW Centre and submit your application in person, or post it using the details on the form.

More information

  • Once a complete and correct application is received it takes up to 3 weeks to process.
  • Certificates are sent by the Registry of Births, Deaths and Marriages via registered post and cannot be collected at a service centre.
  • Your new Birth Certificate will not be marked in any way to indicate your sex has been changed.
  • If you've changed your name since your birth was first registered, a notation stating that your birth was 'Previously registered in another name' will appear on the new certificate.
  • Access to your old Birth Certificate is restricted by legislation once the change of sex has been recorded.
  • If you change your mind, or decide the certificate is no longer required, your application fee will not be refunded.
  • Documents provided as proof of identity may have their authenticity verified through the online national Document Verification Service (DVS).

Payment methods

You can review transaction payment options on our payment methods page.

Last updated: 8 December 2023