If you, your parent or partner are a member of the armed forces and have a BFPO address, this should be entered follows;
In the 'House Number / Name' field you should enter your forces personal number.
In the 'Address Line 1', 'Address line 2' (if applicable) and the 'Town / City' fields you should enter your unit address. For example:
G1 Medical Branch
In the 'Country' field you should select 'United Kingdom' from the drop down menu.
In the 'Post Code' field enter your BFPO post code, for example BFPO 123.