Cleaning of the kitchen exhaust system is required by most councils. It is known for many councils to attend there districts kitchens unannounced to inspect for cleanliness & hygiene, paying special attention to food preparation areas.
Complying with Insurances Act. 1984, The occupational Health and Safety Act, Public Health Act. 2010, Factories, shops and Industries Act 1962, AS/NZS 3666.2.2011 and AS 1851-2012 will ensure your kitchen exhaust systems do not fail an inspection by your council.