The Meat Products (Hygiene) Regulations 1994

Additional hygiene requirements relating to the preparation of rendered animal fat, greaves and by-products

6.  Vehicles and containers for the collection and transport of raw materials shall have smooth internal surfaces, easy to wash, clean and disinfect and vehicles shall be adequately covered. Vehicles for refrigerated transport shall have been designed in such a way that the temperature required can be maintained throughout the period of transport.