The amendments have effect to permit: (a) the retail sale of beef bones; (b) the sale of bone-in beef, even if it has been processed or treated prior to sale; (c) the use of bone-in beef, beef bones and (subject to conditions) substances derived from beef bones in the production of food at catering and take-away premises; (d) (subject to conditions) the sale at catering and take-away premises of any food produced there which contains ingredients consisting of beef bones; and (e) (subject to cond