The principal Regulations are amended so as to implement recent Community legislation. The main changes to the principal Regulations are as follows: (a) the controls on the sale and possession with a view to sale of compound feeding stuffs are extended to cover their supply other than by sale, and their possession with a view to such supply (regs. 6, 7, 12 and 16; (b) prohibitions are added on the importation, supply, possession with a view to such supply and use of feed materials harmful to ani