Required. The club's safeguarding rules depend on knowing who is an adult and who is a young person: players aged 16 or over can sign themselves up, and a younger person needs a parent or guardian's consent on file first. Your date of birth is visible only to club administrators.

Required. The FA registers players in age groups by sex at birth, so the club cannot enter a player without it. Like your date of birth, it is visible only to club administrators.

Required. A coach calling off a match on a wet Saturday morning needs a number that reaches you, and email will not do it in time.