Dairy plant licences must be renewed annually. An application for a licence for the operation of a dairy plant must be submitted at least 60 days prior to the expiry date on an existing licence (s. 95( 4), Regulation 761 - Milk and Milk Products under the Milk Act). If you have recently made any of the following changes to your operation, an application for an Amended licence for the operation of a dairy plant must also be submitted: changes to the classes or subclasses of cow's milk processed at the plant; changes to the species of animal ( cow or goat) that produce the milk processed at the plant; or changes to the type of plant operated.