(1) The determination
of whether the requirements of section 22 for verification,
re-verification, certification or re-certification are complied with must be
made by means of, by reference to, by comparison with or by derivation
from —
(a) an
appropriate State primary standard of measurement;
(b) an
appropriate reference standard of measurement; or
(c) 2 or
more standards of measurement each of which is an appropriate
State primary standard of measurement or an appropriate reference standard of
measurement.
(2)
Subsection (1) does not apply if there is not an appropriate standard for
the measurement in respect of which the measuring instrument is to be
verified, re-verified, certified or re-certified.