Leviticus 6:22

6:22 The high priest who succeeds him from among his sons must do it. It is a perpetual statute; it must be offered up in smoke as a whole offering to the Lord.

Leviticus 15:10

15:10 Anyone who touches anything that was under him will be unclean until evening, and the one who carries those items must wash his clothes, bathe in water, and be unclean until evening.