Leviticus 5:3

or if he touches the uncleanness of man, whatever uncleanness by which he is unclean, and it is hidden from him, and he knows, then he shall be guilty.

Leviticus 12:1-8

And Jehovah spoke to Moses saying,

Leviticus 15:1-33

And Jehovah spoke to Moses and Aaron, saying,

Numbers 19:11-16

He who touches the dead body of any man shall be unclean seven days.

Leviticus 22:4-6

Any man of the seed of Aaron who is leprous, or has an issue, he shall not eat of the holy things until he is clean. And he who touches any uncleanness of a person, or a man whose semen has gone out from him,

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