How do I register a child aged under 18 as a British overseas citizen?
This section provides details on how a person under 18 can register as a British overseas citizen. Within this section, a person under 18 will be referred to as a child. Registrations should be made using application form MN3. Before you send us your form, you should ensure that you have read the eligibility section. Before you make your application for citizenship you should read guide MN3 – registration of a child as a British overseas citizen. This guide provides full details of the requirements you need to meet and how to complete the application form.