23.—(1) A person who produces seed potatoes shall for a period of not less than 2 years maintain records of—
(a)such potatoes purchased by that person for planting;
(b)particulars of the crops grown from such potatoes; and
(c)the sales or other disposal of the produce of those crops.
(2) A person who markets seed potatoes shall for a period of not less than 2 years thereafter maintain a record of the person’s marketing of such seed potatoes.
(3) A person who produces, markets or otherwise has or has had possession of or charge of seed potatoes shall, if so required by notice from an authorised officer, within 7 days of the service of the notice, give to an authorised officer any information in that person’s possession as to the identity, address and occupation of any person in whose possession or under whose charge such potatoes are or have been and shall also produce for examination by an authorised officer any declaration, certificate, label, record or invoice relating to the planting, classification or marketing of such seed potatoes.
(4) Information given under paragraph (3) shall not be available as evidence in any proceedings under these Regulations against a person required to give such information except in respect of an alleged failure to comply with this regulation.