3.—(1) Subject to paragraphs (2) and (3) and regulation 4, these Regulations apply to filling instruments and such instruments are hereby prescribed for the purposes of section 11(1) of the 1985 Act (use for trade of weighing or measuring equipment of prescribed classes).
(2) These Regulations do not apply to any filling instrument which has been put into use for trade before these Regulations came into force.
(3) Nothing in these Regulations shall apply to any filling instrument for use only for making up packages if, and only if, the packages are subsequently checked in accordance with section 49(1)(b) of the 1985 Act, and in this paragraph “ packages” means packages as defined in section 68(1) of the 1985 Act.