(1) The regulator must approve in writing the form of a certificate of compliance and the form of a compliance plate.
(2) A certificate of compliance or a compliance plate must—
(a) be in the approved form; and
(b) be completed by the person responsible for the gasfitting work to which the certificate or plate relates as follows:
(i) for a certificate—in accordance with the instructions on the certificate;
(ii) for a plate—by inserting the applicable information.