Leviticus 22:3-5

Living Bible

³ From now on and forever, if a priest who is ceremonially defiled sacrifices the animals brought by the people or handles the gifts dedicated to Jehovah, he shall be discharged from the priesthood. For I am Jehovah!

⁴ “No priest who is a leper or who has a running sore may eat the holy sacrifices until healed. And any priest who touches a dead person, or who is defiled by a seminal emission, ⁵ or who touches any reptile or other forbidden thing, or who touches anyone who is ceremonially defiled for any reason—