Connecticut Packet for Amending Sex on a Birth Certificate (Adult)
Official state formSex designation changeFree downloadLast verified November 10, 2026
Packet for an adult to amend the sex designator (Female, Male or Non-Binary) on a Connecticut birth certificate. It has the instructions, the applicant's affidavit, the health care practitioner's affidavit and a birth certificate request. It goes to the Record Replacement Unit.
Who can use this form
- The adult named on the birth certificate signs the applicant affidavit before a notary public.
- A licensed physician, physician assistant, advanced practice registered nurse or psychologist completes the practitioner affidavit.
- Any later request to amend the sex on the same birth certificate requires a court order.
What to send with it
- The notarized affidavit of applicant.
- The notarized affidavit of health care practitioner stating that you have had surgical, hormonal or other treatment clinically appropriate for gender transition.
- A photocopy of a valid government issued photo identification, such as a driver's license or passport.
- If you want a new name on the amended certificate: a certified copy of the court order granting the legal name change.
- If you want a certified copy of the amended certificate: the birth certificate request in the packet and a $30 money order payable to "Treasurer, State of Connecticut".
Where to send it
- Mail to
- Connecticut Department of Health Office of Vital Records-Record Replacement Unit 410 Capitol Avenue, MS#11VRS Hartford, CT 06134
- State fee
- No processing fee for the amendment, according to the office's gender change page. A certified copy of the amended certificate is $30.00, as the packet prints.
- Typical processing
- Not provided
- Form revision
- Instructions Rev 12/21; applicant affidavit REV 12/2021; practitioner affidavit 12-2023
- Source
- Official government page