Berkshire Ornithological Club chart headings:- http://berksoc.org.uk/wp-content/uploads/2016/04/Records-electronic-file-format.pdf submitted regularly (and at least annually) to email@example.com
OR, for more casual records:-
Berksbirds web site. Create an account at https://www.berksbirds.co.uk/login.asp?referer=submitbirdnews.asp and then select the ‘submit’ feature. It is best to enter records on the day of sighting them.