A measuring instrument must not be verified if the instrument:
(a) is so damaged that it is unsuitable for use for trade; or
(b) is not reasonably clean; or
(c) has wet paint on it; or
(d) is of rough, crude or inadequate construction; or
(e) is constructed of inferior material; or
(f) bears a manufacturer's mark that could be mistaken for:
(i) an inspector's mark; or
(ii) a servicing licensee's mark; or
(g) displays a trade mark or advertising that could be mistaken for:
(i) an inspector's mark; or
(ii) a servicing licensee's mark.