§ 126

A urinary bladder, an intestine or any part of a urinary bladder or intestine may be used as a natural casing for an edible meat product if

(a) the bladder, the intestine or the part of the bladder or intestine have been emptied of their contents and washed, and their mucous lining has been removed;

(b) in the case of a bladder, it was inverted and placed in brine for at least 12 hours and was subsequently rinsed with water; and

(c) the casing is clean.