A: When it is a four-match ban.
http://www.wsc.co.uk/wsc-daily/1177-may ... ut-of-date
He could not play (for Woking in the final) against Metropolitan Police, but at the same time it was not part of his three-game ban, so he will still be missing on the opening day of next season. The reason Ricketts gave in an interview on Woking FC TV was that the cup final was being played "within the period of his suspension", whatever that means.
Either it's three games, or it's three games in "senior competition", or it's three games full stop.
An example of the tin-pottery prevalent in not just non-league, but the slavish adherence to the "rules", except, of course, where the rules are waived and the various committees and boards just make stuff up as they go merrily along.