old passport
a colour photocopy of both sides of your Hong Kong permanent identity card
full colour copy (every page including blank pages) of any current or expired passports from other countries that haven’t been cancelled
And 1 of the following from the last 12 months, that shows your name and address and/or residency:
letter from your employer
medical card
letter from your local council or a government department
voter’s card
visa or residence permit (a colour photocopy will do)
education record for example a school report
immigration documents