18.—(1) The units, of measurement which are authorised for the purposes of this Act are those provided for in the European Communities (Units of Measurement) Regulations, 1992 (S.I. No. 255 of 1992) and any amendment thereto, and all the provisions of those Regulations shall apply in relation to those units.

(2) The Minister may, by regulation, provide for the alteration, by addition, deletion, restriction or amendment of the units authorised by subsection (1).

(3) Any regulation under subsection (2) may contain such transitional or other supplemental or incidental provisions as appear to the Minister to be expedient.