(a) Cream cheese, Neufchatel cheese, dry curd cottage cheese, cottage cheese, lowfat cottage cheese, hoop cheese, baker's cheese, kefir cheese, and cook cheese shall not be used in the manufacture of pasteurized process cheese food nor in cold pack cheese food. Hard grating cheese, semisoft part skim cheese and part skim spiced cheese shall not be used alone or in combination with each other as the cheese ingredient for any cheese food.

(b) Cream cheese, Neufchatel cheese, dry curd cottage cheese, cottage cheese, lowfat cottage cheese, cook cheese, baker's cheese, kefir cheese, hard grating cheese, semisoft part skim cheese, part skim spiced cheese, and skim milk cheese for manufacturing shall not be used in the manufacture of pasteurized process cheese nor in cold pack cheese.

(c) Cream cheese, Neufchatel, dry curd cottage cheese, cottage cheese, low fat cottage cheese, cook cheese, hoop cheese, hard grating cheese, semisoft part skim cheese, and part skim spiced cheese shall not be used alone or in combination with each other in the manufacture of pasteurized process cheese spreads.