(1) Casing may consist of bundles of rings or hanks.
(2) (a) In the case of rings of Sheep and Goat Casings, a ring shall contain not more than 4 pieces and shall measure at least 21 meters (69 feet) in length, no single piece measuring less than 1.5 metres (5 feet).
(b) In the case of rings of Hog casings, a ring shall contain not more than 4 pieces and shall measure at least 9 metres (29 feet), no single piece measuring less than one metre.
(c) In the case of dry-ready to wet casings of sheep and goats, hanks, rings or cocoons may be made up of several pieces joined together with adhesive and other materials which have been duly approved (before hand) by the Agricultural Marketing Adviser to the Government of India; each single piece shall measure not less than 1.5 metres (5 feet).
(3) (a) In case of Hanks of Sheep and Goat Casings, a hank shall consist of not more than 18 pieces and shall measure not less than 92 metres (302 feet) in length;
(b) in the case of Hanks of Cattle Casings, a hank shall measure in length as follows :
Dried Runners : 180 metres (590 feet);
Dried middles : 90 metres (295 feet) or in packets of 25 metres;
Salted Runners : 30 metres (98 feet);
Salted Middles : 18 metres (59 feet).
Note: No single piece shall measure less than one metre.