The Dairy Products (Hygiene) (Scotland) Regulations 1995

A. General conditions of hygiene applicable to dairy establishments, instruments and equipment

4.  Working areas, instruments and working equipment shall be used only for work on dairy products in accordance with these Regulations. However, after authorisation by the food authority, they may be used at the same time or at other times for work on other foodstuffs fit for human consumption, or other milk-based products fit for human consumption but intended for a use other than human consumption, provided that they do not contaminate the dairy products for which approval has been given.