Section 7(2) in The Standard of Weights and Measures (Approval of Models) Rules, 1987
(2)Every model shall be tested in accordance with such test procedure as may be laid down by the Director in relation to the class of weight or measure to which such model pertains:Provided that until the test procedure as laid down by the Director in relation to any class of weight or measure, the test of any model pertaining to such class of weight or measure shall be carried out in accordance with such procedure as would, in the opinion of the recognised laboratory, enable it to recommend the grant of certificate of approval in relation to such model.
