5. Working standards.- (1) Every working standard shall be verified either at any of the reference Standard Laboratories or any of the places where secondary standards are maintained by the State Government, in such manner and at such intervals as may be prescribed under the Standards Act and shall, if found on such verifications to conform to the standards established by or under that Act, be stamped, as the case may be, by the laboratory in-charge of the Reference Standard Laboratory or by the Controller or such other officer as may be authorised by the Controller in this behalf. (2) The verified working standards shall be kept in the custody of the Inspectors. |