If you're in the UK you can refer to the Food Standards Agency (some links are below). All Olioers are responsible for ensuring they are aware of, and compliant with, the safety and hygiene standards set out by their local relevant authority.
Information on businesses’ hygiene can be found here:
If you're in the USA please refer to the FDA.
If you're in Australia and New Zealand please refer to the Food Standards Agency.
If you're in another part of the world, please refer to your local relevant authority.