Leviticus 21:1
Rules for the Priests
21:1 The Lord said to Moses: “Say to the priests, the sons of Aaron – say to them, ‘For a dead person no priest is to defile himself among his people,
Leviticus 22:3
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.