Health marking etc. of certain meat and meat products

4.  No person shall use any colour for the purpose of any health marking or any other marking required on any meat or meat product, other than the permitted colours—

(a) E 155 Brown HT;

(b) E 133 Brilliant Blue FCF;

(c) E 129 Allura Red AC; or

(d) an appropriate mixture of (b) and (c).