Leviticus 14:19
14:19 “The priest must then perform the sin offering and make atonement for the one being cleansed from his impurity. After that he is to slaughter the burnt offering,
Leviticus 22:5
22:5 or a man who touches a swarming thing by which he becomes unclean, or touches a person by which he becomes unclean, whatever that person’s impurity –