Leviticus 6:11

6:11 Then he must take off his clothes and put on other clothes, and he must bring the fatty ashes outside the camp to a ceremonially clean place,

Leviticus 14:22

14:22 and two turtledoves or two young pigeons, which are within his means. One will be a sin offering and the other a burnt offering.

Leviticus 20:26

20:26 You must be holy to me because I, the Lord, am holy, and I have set you apart from the other peoples to be mine.