The Cheese and Cream Regulations 1995

Cheese containing enzymes

4.  No person shall sell any cheese containing any enzyme other than—

(a) in any case, an enzyme preparation capable of use and used for the purpose of coagulating milk in a manner suitable for cheese making, and

(b) in the case of processed cheese or cheese spread, an enzyme preparation suitable for the acceleration of ripening, and

(c) in the case of Feta, Provolone, Pecorino or Romano cheese, lipases from animal sources for the purpose of flavour production.