The TSE (Wales) Regulations 2002

Service of notices and other documents

102.—(1) Any notice or other document to be given or served on any person under or in relation to these Regulations may be given or served either—

(a) by delivering it to that person;

(b) in the case of an incorporated body, by delivering it to their secretary or clerk at their registered or principal office, or by sending it by post to him or her at that office; or

(c) in the case of any other person, by leaving it, or sending it by post to him or her, at their usual or last known address.

(2) Where a notice or other document is to be given or served on the owner, proprietor, operator or occupier of any premises and it is not practicable after reasonable enquiry to ascertain the name and address of the person to or on whom it should be given or served, or the premises are unoccupied, the document may be given or served by addressing it to the person concerned by the description of “owner”, “proprietor”, “operator” or “occupier” of the premises (naming them) and—

(a) by delivering it to some person on the premises; or

(b) if there is no person on the premises to whom it can be delivered, by affixing it, or a copy of it, to some conspicuous part of the premises.