51Notice of variation

#### 51 Notice of variation (1) This regulation applies to variation of the certification of a reference material under regulation 49. (2) If the certificate is varied by a certifying authority other than the Chief Metrologist, the authority must notify the Chief Metrologist in writing of the variation. (3) The certifying authority must, as soon as practicable and to the extent that is practicable, give written notice of the variation and the reasons for the variation: (a) if the applicant is not the manufacturer of the Australian certified reference material: (i) for material manufactured in Australia—to the manufacturer; or (ii) for material manufactured outside Australia—to the agent of the manufacturer in Australia; and (b) to purchasers and users of the Australian certified reference material who are known to the authority.