Exodus 30:19

30:19 and Aaron and his sons must wash their hands and their feet from it.

Exodus 29:15

29:15 “You are to take one ram, and Aaron and his sons are to lay their hands on the ram’s head,

Exodus 29:19

29:19 “You are to take the second ram, and Aaron and his sons are to lay their hands on the ram’s head,

Exodus 30:21

30:21 they must wash their hands and their feet so that they do not die. And this will be a perpetual ordinance for them and for their descendants throughout their generations.”

Exodus 40:31

40:31 Moses and Aaron and his sons would wash their hands and their feet from it.

Exodus 29:10

29:10 “You are to present the bull at the front of the tent of meeting, and Aaron and his sons are to put their hands on the head of the bull.