7.—(1) An approved verifier shall maintain in force such systems and procedures (in this Part referred to as his quality system) as will ensure that—N.I.
(a)any weighing or measuring equipment passed by the verifier as fit for use for trade satisfies any requirements relating to it imposed by or under this Order; and
(b)adequate testing procedures are undertaken by the verifier having regard to the nature of weighing or measuring equipment with which the verifier is concerned and, in particular, to whether any such equipment is electronic.
(2) An approved verifier shall give the Department written notice, within five working days of their occurrence, of any modifications to the verifier's quality system which are liable to affect its appropriateness or effectiveness.
(3) An approved verifier shall permit the Department, at any reasonable time after giving written notice, to carry out such audits and inspections of the verifier's quality system as the Department considers necessary to establish that the conditions of the approval have been, and will continue to be, observed.]