New Mexico Gender Designation Change for Adults
Official state formSex designation changeFree downloadLast verified November 10, 2026
Notarized request by an adult born in New Mexico to change the sex designation (Male, Female or X) on a birth certificate. It is mailed to the vital records office in Santa Fe.
Who can use this form
- A person born in New Mexico who is 18 or older
- A guardian of an adult, with proof of guardianship (per the office's web page)
What to send with it
- Notarized request form
- Certified legal name change court order if the current legal name differs
- Fee by check or money order payable to New Mexico Vital Records
- Birth Record Search Application and $10 each if you want extra copies
Where to send it
- Mail to
- New Mexico Vital Records and Health Statistics 2554 Camino Entrada Post Office Box 26110 Santa Fe, NM 87502
- State fee
- $20 to amend (includes one certified copy); additional copies $10 each
- Typical processing
- Not provided
- Form revision
- rev. March 2023
- Source
- Official government page