reg 9 Manufacturers' obligations to ensure continuing conformity with essential requirements
(1) Manufacturers must have procedures in place for series production of regulated measuring instruments by them to ensure that instruments so manufactured continue to meet the essential requirements. (2) The procedures mentioned in paragraph (1) must adequately take into account changes in— (a) measuring instrument design or characteristics; and (b) changes in the designated standards, normative documents or in other technical specifications by reference to which the conformity of the regulated measuring instrument is declared. (3) When deemed appropriate with regard to the performance of a regulated measuring instrument, manufacturers must— (a) carry out sample testing of regulated measuring instruments manufactured by them made available on the market; (b) investigate complaints about regulated measuring instruments manufactured by them; (c) if necessary, keep a register of— (i) such complaints; (ii) non-conforming measuring instruments; and (iii) measuring instrument recalls; and (d) keep distributors informed of any monitoring undertaken by them.