Form NC-300, Petition for Recognition of Change of Gender and Sex Identifier Instructions

Enter the two-letter U.S. Postal Service abbreviation for the state where the address entered in “CITY” and “ZIP CODE” is located. Use uppercase letters (for example, CA).

Enter the five-digit ZIP Code for the attorney or party address you provided in “Street Address” and “City.” This field is required. If you have a four-digit ZIP Code extension, include it after a hyphen (for example, 12345-6789).

Check this box when you have attached the completed NC-110 form that provides the name and information of the person whose name you are asking the court to change.

Enter the full legal name of the person or entity the attorney represents in this case. Complete this field if you are filing as an attorney. Format the entry with the party’s first name, optional middle initial, and last name (no abbreviations).

Enter your California State Bar number as issued by the State Bar of California. Required if you are an attorney; if you are a party without an attorney, leave this field blank. Enter only numeric digits, without spaces, hyphens, or other characters.

Enter the full legal name: for attorneys, as it appears in your State Bar records (see STATE BAR NUMBER); for self-represented parties, your own full name. Include first name, middle initial (if any), and last name. Required.

Enter the full legal name of the law firm representing you in this case. Required if you are represented by an attorney under the “ATTORNEY OR PARTY WITHOUT ATTORNEY” section; leave blank if you are representing yourself. Use the firm’s official name exactly as registered, including any punctuation.

Enter the complete street address for the attorney or party without attorney, including house number, street name, and suite, unit, or apartment number if applicable. Do not enter a P.O. Box. This field is required. After entering the street address, complete the City, State, and ZIP Code fields.

Required when completing the STREET ADDRESS field in the ATTORNEY OR PARTY WITHOUT ATTORNEY section. Enter the full city name for the address; do not use abbreviations.

Check this box if the petitioner does not reside in California and is requesting a court-ordered name change on a birth certificate issued by this county.

Check this box when you want the court to issue you a new birth certificate that reflects both your updated gender marker and your new name.

Enter the case number assigned to this matter by the court. If you have already been assigned a case number, type it exactly as it appears on your court documents, including all letters, numbers, and separators. If you do not yet have a case number, leave this field blank for the court clerk to complete.

Enter the court-assigned case number exactly as it appears on your court documents. Include all letters, numbers, hyphens, and spaces in the same order. This field is required.

Enter the short title of the case exactly as it appears on court pleadings. Format party names as “Petitioner v. Respondent” (for example, “Smith v. Jones”), using “v.” between names and no additional words. This field is required.

Check this box when you are requesting the court to issue a new California certificate reflecting the petitioner’s change of gender and/or name.

Check this box when you want the court to issue a new California birth certificate for your child that reflects your legal gender change and your name change.

Check this box when the petitioner wants a court order to issue a new marriage license and certificate reflecting both an updated gender designation (bride, groom, or neither) and a change of name.

Enter the attorney’s or party without attorney’s daytime telephone number, including the area code. Format as XXX-XXX-XXXX (for example, 415-555-1234). If no telephone number is available, leave this field blank.

Enter the attorney’s or party’s fax number, including area code, in the same format as Telephone No. (for example, 415-555-1234). If no fax number is available, leave this field blank.

Enter the e-mail address of the attorney or party listed in the Name field. Use a valid e-mail format (for example, [email protected]).

Enter the full name of the county where you are filing your petition to complete the label “SUPERIOR COURT OF CALIFORNIA, COUNTY OF.” Use the county’s full name (for example, Los Angeles), without abbreviation. This field is required.

Enter the street address of the Superior Court of California in the county you entered in “SUPERIOR COURT OF CALIFORNIA, COUNTY OF.” Provide the street number and street name; include suite, department, or room number if applicable. Do not enter a P.O. Box address. This field is required.

Enter the mailing address for the Superior Court of California, County of (as entered in “Superior Court of California, County of”). Include street number and name, P.O. box or suite number if applicable, in standard U.S. postal address format.

Enter the city name of the Superior Court’s address followed by a comma, a space, and the 5-digit ZIP Code (for example, “San Diego, 92101”). This field is required for all filings and must use the full city name and standard five-digit ZIP Code format.

Required. Enter the official branch name of the court for the county listed in the “SUPERIOR COURT OF CALIFORNIA, COUNTY OF” field. Use the exact official name as provided by the court clerk (for example, “Downtown Courthouse Branch”). Do not use abbreviations or acronyms.

Click this button to print the completed form.

Click this button to save your current progress on the form.

Click this button to clear all entries from the form.

Press this button for your protection and privacy after printing the form, to clear your data from the form.

Check this box when the petitioner is requesting that the court recognize their gender and sex identifier as female.

Check this box when the petitioner requests that the court recognize a change of the petitioner’s gender and sex identifier to male.

Check this box when the petitioner, who is 18 years or older, is requesting a court order to change their gender and sex identifier to nonbinary.

Check this box when the petitioner is requesting that their legal gender and sex identifier be changed to male to conform with their gender identity as part of this petition.

Check this box if you are requesting that your legal gender and sex identifier be changed to male to conform to your gender identity.

Check this box when requesting that your legal gender and sex identifier be changed to nonbinary to conform to your gender identity.

Check this box if the petitioner does not reside in California and is requesting a court order to change their name on a marriage license issued in this county.

Check this box if the petitioner already has a certified court decree of name change and wants that name reflected on the requested certificates, and will attach a copy of the decree to the petition.

Check this box when the petitioner is asking the court to issue an order changing their name so it aligns with their gender identity.

Check this box when you want the court to issue a new birth certificate for yourself that reflects your updated gender.

Check this box when you are asking the court to issue a new birth certificate for your child that reflects your legal change of name.

Check this box when you request a new marriage license and certificate and you do not want the person designated as bride or groom.

This button links to the official California courts website. Click it to visit the website.

Check this box when the petitioner wants the court to issue an order giving interested persons the opportunity to file written objections to the requested name change

Check this box when you are requesting a change of name in addition to the recognition of change of gender and sex identifier.

Check this box when you want the court to issue new official certificates (for example, birth or marriage certificates) reflecting your legally recognized change of gender and sex identifier.

Enter the petitioner’s current full legal name (first, middle, and last) exactly as it appears on their existing legal documents or identification. This field is required; include any middle name or initial and do not use abbreviations.

Enter the full legal name of the petitioner filing this form, including given name(s) and family name. This field is required; type your name exactly as it appears on your legal documents.

Check this box when the petitioner lives in the county where the petition is filed to establish that the court is the proper venue for the name change request.

Check this box when the petitioner lives outside California to establish that this court is the proper venue for the name-change request.

Enter the date the petitioner signs this declaration. Required. Use MM/DD/YYYY format (for example, 01/31/2023).

Type or print the petitioner’s full legal name (first, middle, last) legibly using letters only. This field is required.

Enter the date you sign the petition in MM/DD/YYYY format. Only complete this field if you are the attorney signing in the '(SIGNATURE OF ATTORNEY)' field.

Enter the full name of the attorney representing the petitioner by typing or printing legibly. Complete this field only if an attorney signs in the SIGNATURE OF ATTORNEY section.