| Form AN - Application for Naturalisation as a British citizen | 
| Form MN1 - Registration of a child under 18 as a British citizen | 
| Form MN2 - Registration of a child under 18 as a British overseas territories citizen | 
| Form MN3 - Application for registration of a child under 18 as a British overseas citizen | 
| Form MN4 - Registration of a child under 18 as a British subject | 
| Form B (OTA) - To apply for registration as British Citizen by BOTC, BOC, BPP or British Subject | 
| Form B (OS) - To apply for registration as British Citizen if you are British National with no other natioality | 
| Form EM - Registration as a British citizen under the British Nationality (Hong Kong) Act 1997 | 
| Form G - For British dependant territories citizen who is UK national for EU purposes through connection with Gibraltar | 
| Form RS2 - Registration as a British overseas territories citizen by a person who has made a delcaration of renunciation | 
| Form RS1 - Registration as a British citizen by a person who has made a declaration of renunciation | 
| Form T - Application for registration as a British citizen by or on behalf of a person born on or after 1 January 1983 in the United Kingdom who has lived there up to the age of 10 | 
| Form UKM - Registration as a British citizen by certain persons born before 1983 to British mothers | 
| Form S1 - Registration as a British citizen, a British dependent territories citizen or a British overseas citizen by or on behalf of a stateless person born before 1 January 1983 | 
| Form S2 - Registration as a British citizen, a British dependent territories citizen, a British overseas citizen, or a British subject by or on behalf of a stateless person born on or after 1 January 1983 | 
| Form S3 - Registration as a British citizen, a British dependent territories citizen or a British overseas citizen by or on behalf of a stateless person born on or after 1 January 1983 in the United Kingdom or a dependent territory |