Leviticus 12:4

12:4 Then she will remain thirty-three days in blood purity. She must not touch anything holy and she must not enter the sanctuary until the days of her purification are fulfilled.

Leviticus 15:31-33

Summary of Purification Regulations for Bodily Discharges

15:31 “‘Thus you are to set the Israelites apart from their impurity so that they do not die in their impurity by defiling my tabernacle which is in their midst. 15:32 This is the law of the one with a discharge: the one who has a seminal emission and becomes unclean by it, 15:33 the one who is sick in her menstruation, the one with a discharge, whether male or female, and a man who has sexual intercourse with an unclean woman.’”

Leviticus 21:17-23

21:17 “Tell Aaron, ‘No man from your descendants throughout their generations who has a physical flaw is to approach to present the food of his God. 21:18 Certainly no man who has a physical flaw is to approach: a blind man, or one who is lame, or one with a slit nose, or a limb too long, 21:19 or a man who has had a broken leg or arm, 21:20 or a hunchback, or a dwarf, or one with a spot in his eye, or a festering eruption, or a feverish rash, or a crushed testicle. 21:21 No man from the descendants of Aaron the priest who has a physical flaw may step forward to present the Lord’s gifts; he has a physical flaw, so he must not step forward to present the food of his God. 21:22 He may eat both the most holy and the holy food of his God, 21:23 but he must not go into the veil-canopy or step forward to the altar because he has a physical flaw. Thus he must not profane my holy places, for I am the Lord who sanctifies them.’”

Leviticus 22:3-6

22:3 Say to them, ‘Throughout your generations, if any man from all your descendants approaches the holy offerings which the Israelites consecrate to the Lord while he is impure, that person must be cut off from before me. I am the Lord. 22:4 No man from the descendants of Aaron who is diseased or has a discharge may eat the holy offerings until he becomes clean. The one who touches anything made unclean by contact with a dead person, or a man who has a seminal emission, 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 impurity22:6 the person who touches any of these will be unclean until evening and must not eat from the holy offerings unless he has bathed his body in water.

Numbers 9:6

9:6 It happened that some men who were ceremonially defiled by the dead body of a man could not keep the Passover on that day, so they came before Moses and before Aaron on that day.

Numbers 19:13-20

19:13 Anyone who touches the corpse of any dead person and does not purify himself defiles the tabernacle of the Lord. And that person must be cut off from Israel, because the water of purification was not sprinkled on him. He will be unclean; his uncleanness remains on him.

19:14 “‘This is the law: When a man dies in a tent, anyone who comes into the tent and all who are in the tent will be ceremonially unclean seven days. 19:15 And every open container that has no covering fastened on it is unclean. 19:16 And whoever touches the body of someone killed with a sword in the open fields, or the body of someone who died of natural causes, or a human bone, or a grave, will be unclean seven days.

19:17 “‘For a ceremonially unclean person you must take some of the ashes of the heifer burnt for purification from sin and pour fresh running water over them in a vessel. 19:18 Then a ceremonially clean person must take hyssop, dip it in the water, and sprinkle it on the tent, on all its furnishings, and on the people who were there, or on the one who touched a bone, or one killed, or one who died, or a grave. 19:19 And the clean person must sprinkle the unclean on the third day and on the seventh day; and on the seventh day he must purify him, and then he must wash his clothes, and bathe in water, and he will be clean in the evening. 19:20 But the man who is unclean and does not purify himself, that person must be cut off from among the community, because he has polluted the sanctuary of the Lord; the water of purification was not sprinkled on him, so he is unclean.