51.—(1) The Authority may impose a penalty of such amount as it considers appropriate on—
(a)an electronic money issuer who has contravened a requirement imposed on it by or under these Regulations; or
(b)a person who has contravened regulation 63(1), 64(1) or 66(1) or (2).
(2) A penalty under this regulation is a debt due from that person to the Authority, and is recoverable accordingly.