Leviticus 21:6

21:6 “‘They must be holy to their God, and they must not profane the name of their God, because they are the ones who present the Lord’s gifts, the food of their God. Therefore they must be holy.

Leviticus 22:11

22:11 but if a priest buys a person with his own money, that person may eat the holy offerings, and those born in the priest’s own house may eat his food.

Leviticus 22:25

22:25 Even from a foreigner you must not present the food of your God from such animals as these, for they are ruined and flawed; they will not be acceptable for your benefit.’”