34. Any notice to be served by DARD under regulation 8, 9, 10, 22, 26, or 28—
(a)must be in writing and signed by an authorised officer acting on behalf of DARD;
(b)if purporting to bear the signature (which includes a facsimile of a signature by whatever means reproduced) of a person who is expressed to be an authorised officer, shall be deemed, unless the contrary is proven, to have been duly issued by such an authorised officer.