Civil status & identity

Apply for proof that you do not have British citizenship (form NQ)

Overseas marriage certificate

Correct details on a marriage or civil partnership registration

Turkey: affirmation or affidavit of marital status template

Application form to correct details on a birth registration

Certificate of identity for a private individual (ID3)

Update registered owners' contact address (COG1)

Found passport

Envelope label for storing your will or codicil: Form PA7ENV

Register as a British citizen (form UKF)

Application to re-register a child’s birth and add the father's details

Apply for confirmation of British nationality status (form NS)

Russia: certificate of no impediment application documents

Azerbaijan: Affirmation of Marital Status

Child citizenship fee waiver request

Statutory declaration for changing a child's name by deed poll: Form LOC024

Parents’ contact details for a child’s first British passport

General Register Office certificate application forms

Bulgaria: certificate of no impediment application documents

Correct a registration or naturalisation certificate

Register as a British citizen (form B(OTA))

Peru: affidavit for marriage (Spanish only)

Become a British citizen by naturalisation (form AN)

Application for an adopted person to apply for entry onto part 1 of the adoption contact register