1. “When someone sins in any of these ways:If he has seen, heard, or known about something he has witnessed, and did not respond to a public call to testify, he is responsible for his sin.
2. Or if someone touches anything unclean — a carcass of an unclean wild animal, or unclean livestock, or an unclean swarming creature — without being aware of it, he is unclean and guilty.
3. Or if he touches human uncleanness — any uncleanness by which one can become defiled — without being aware of it, but later recognizes it, he is guilty.