Section 21
of Interpretation And General Clauses Enactment 1963
Section 21
(1)
Subsidiary legislation shall, unless it be otherwise provided by the law under the authority of which it is made or issued, be published in the Gazette and, unless it be otherwise provided in such subsidiary legislation, shall take effect and come into operation on the date of such publication.
(2)
Notwithstanding the absence of any express provision in any Enactment or other
State law, where such Enactment or other State law empowers any person to make subsidiary legislation, such subsidiary legislation may be made to operate retrospectively to any date not being a date earlier than the commencement of the law under which such subsidiary legislation is made:
Provided that no subsidiary legislation shall be made to operate on a date earlier than the date upon which it was made or issued if it has the effect of –
(a)
imposing any penalty, forfeiture or punishment; or
(b)
abolishing or otherwise infringing any right or privilege acquired prior to the date upon which it was made or issued.
Judicial notice of subsidiary legislation.