A reminder notice served on a person by an authorised person for an infringement notice offence against the Litter Act must identify the authorised person by—
(a) for an authorised person who is a police officer—the police officer's service number; or
(b) for an authorised person under the Litter Act, section 14 (Appointment of authorised people)—
(i) the authorised person's full name, or surname and initials; or
(ii) any unique number given, for this regulation, to the authorised person by the administering authority.