Vitamin content of margarine

4.—(1) Any margarine sold by retail shall contain in every 100 grams of such margarine–

(a)not less than 800 micrograms and not more than 1000 micrograms of vitamin A, and

(b)not less than 7.05 micrograms and not more than 8.82 micrograms of vitamin D,

and a proportionate amount in any part of 100 grams.

(2) No person shall sell by retail any margarine in contravention of this regulation.