Leviticus 11:44

11:44 for I am the Lord your God and you are to sanctify yourselves and be holy because I am holy. You must not defile yourselves by any of the swarming things that creep on the ground,

Leviticus 16:29

Review of the Day of Atonement

16:29 “This is to be a perpetual statute for you. In the seventh month, on the tenth day of the month, you must humble yourselves and do no work of any kind, both the native citizen and the foreigner who resides in your midst,

Leviticus 20:25

20:25 Therefore you must distinguish between the clean animal and the unclean, and between the unclean bird and the clean, and you must not make yourselves detestable by means of an animal or bird or anything that creeps on the ground – creatures I have distinguished for you as unclean.