The Standards of Weights and Measures Act,1976
Section 31. Part IV to apply to inter-State Trade or commerce only
The provisions of this Part shall apply to-
(a)Every weight or measure which is, or is intended to be, –
(i)Made or manufactured for the purpose of inter-State trade or commerce,
(ii)Used, sold, distributed, delivered or otherwise transferred in the course of inter-State trade or commerce;
(b)Goods which are, or are intended to be, sold, distributed, delivered or otherwise transferred by weight, measure or number in the course of inter-State trade or commerce;
(c)Every service which is rendered by weight, measure or number in relation to,or in the course of, inter-State trade or commerce