7.—(1) Every beltweigher shall be legibly and durably marked with the descriptive markings required by clauses 3.11.1 to 3.11.3, and, where appropriate, 3.11.4, of R 50–1 and in the manner specified in clause 3.11.5 thereof.
(2) The particulars comprised in the descriptive markings referred to in paragraph (1) shall be those ascertained on initial verification and, subject to paragraph (3), in conformity with any relevant certificate of approval.
(3) In a case where the relevant certificate of approval contains different provisions relating to the use of a beltweigher for different purposes, the particulars relating to minimum totalised load shall be those relating to one such purpose only.