Section 1(3)(f) in The Standards Of Weights And Measures Act, 1976
(f)classes of users of weights and measures, and any reference in any such provision to the commencement of this Act shall be construed as a reference to the coming into force of that provision in such areas, or in respect of such classes of undertakings, goods, weights and measures or users of weights and measures in relation to which this Act has been brought into force: