Section 12(3) in The Standards of Weights and Measures (Packaged Commodities) Rules, 1977
(3)Where the declaration of quantity has been made in terms of mass, the manufacturer or, as the case may be, the packer may, at his option, make an additional declaration on the package as to the number of commodities contained in the package.[Illustration [Substituted by G.S.R. 59(E), dated 23.2.1980 (w.e.f. 23.2.1980).].-A package containing screws may not only indicate the total weight of the screws contained in the package but also the number and sizes of the screws contained in the package.]
