15.—(1) The classification of pig carcases must be carried out at an approved slaughterhouse—
(a)using an authorised grading method provided for in Article 11 of the Commission Delegated Regulation; and
(b)using grading techniques provided for in Article 11 of the Commission Delegated Regulation which are operated by qualified personnel.
(2) In this regulation, “qualified personnel” means any person who is using a grading technique provided for in Article 11 of the Commission Delegated Regulation and who is proficient in the use of that technique.