Connecticut Packet for Amending Sex on a Marriage Certificate
Official state formSex designation changeFree downloadLast verified November 10, 2026
Packet to amend the sex designator on a Connecticut marriage certificate. It has the instructions, the affidavits of the applicant and the applicant's spouse, and a marriage record request (VS-39MRST). It goes to the Record Replacement Unit.
Who can use this form
- A party to the marriage applies and affirms that the marriage is still legally intact.
- The applicant's spouse must consent in a notarized affidavit.
- Any later request to amend the sex on the same marriage certificate requires a court order.
What to send with it
- The notarized affidavit of applicant.
- The notarized affidavit of the applicant's spouse.
- A photocopy of your valid government issued photo identification, such as a driver's license or passport.
- One of these: a U.S. passport, an amended birth certificate or a court order reflecting your gender, or a notarized affidavit from a licensed physician, advanced practice registered nurse, physician assistant or psychologist.
- 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 marriage record request in the packet and a $20 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 $20.00, as the packet prints.
- Typical processing
- Not provided
- Form revision
- Instructions New 12/21; marriage record request VS-39MRST Revised: 12/21
- Source
- Official government page