Standards of Weights and Measures Act, 1976
12. Supplementary,
derived, special and other units of weight or measure-Their symbols,
definitions, etc.-
(1) The Central
Government may, by rules made in this behalf, specify, in relation to the base
units of weight or measure, such supplementary, derived, or other units or
standard symbols or definitions as the General Conference on Weights and
Measures or the International Organization of Legal Metrology may recommend.
Explanation. -”Derived unit” means a unit which is derived from the base
or supplementary units, or both.
(2) The Central
Government may, by rules made in this behalf, specify, such multiples and
sub-multiples of, and physical constants, and ratios or coefficients in
relation to, units of weight or measure as the General Conference on Weights
and Measures or the International Organization of Legal Metrology may
recommend.
(3) The Central
Government may, by notification, declare, for such period as it may consider
necessary such special units of weight or measure as the General.
Conference on Weights and Measures or the International Organization of Legal
Metrology may recommend.