Everything defers back to UKA Rules.
In UKA Rules Rule 401 - the first rule applicable to fell running refers us to the UKA General Rules 1-24
RULE 401 GENERAL
The General Rules 1-24 apply to Fell Running competitions.
Those general rules are about eligibility, club status, first claim, second claim etc but they also have a few priceless nuggets in there such as permission to broadcast events which with the internet age is a pointless rule that should be reviewed and/or scrapped.
Rule 14 (7) For twelve months following a change of name, whether by marriage
or otherwise, a competitor must include both the new and former names on
every entry.
is something I have never seen followed or enforced.
RULE 17 CLOTHING
(1) In all events competitors must wear at least vest and shorts (or
equivalent clothing) which are clean and so designed and worn as not to be
objectionable, even if wet.
which renders any of our topless friends at risk of a DQ and disciplinary action.