Regulation 42 Use of zootechnical additives for the purpose of animal feeding
Subject to paragraph (2), no person shall use a zootechnical additive for the purpose of animal feeding except an authorised zootechnical additive which—
has been incorporated in a feedingstuff, and
was incorporated in the feedingstuff in accordance with regulation 43.
Nothing in paragraph (1) shall prohibit a person from feeding an animal—
an unauthorised zootechnical additive, or
a feedingstuff containing an unauthorised zootechnical additive,
for an Article 6.4 purpose if the use of the additive or the feedingstuff, as the case may be, will constitute—
a medicinal test on animals for which he has been issued with an animal test certificate, or
a regulated procedure for which he holds a personal licence, and which is specified in a project licence which authorises the procedure.