15.—(1) No person other than the person who manufactured a specified feed additive or an approved distributor may supply a specified feed additive.
(2) The person who manufactured the specified feed additive may only supply it to—
(a)an approved distributor;
(b)an approved premixture manufacturer or an approved complementary feedingstuffs manufacturer; or
(c)a feedingstuff manufacturer approved to mix a specified feed additive directly into feedingstuff.
(3) An approved distributor may only supply it to—
(a)another approved distributor;
(b)an approved premixture manufacturer or an approved complementary feedingstuffs manufacturer; or
(c)a feedingstuff manufacturer approved to mix a specified feed additive directly into feedingstuff.