Exodus 30:20-22

New Catholic Bible

²⁰ When they enter the meeting tent, they shall perform an ablution with water, lest they die. Thus, whenever they approach the altar to minister, to burn an offering unto the Lord with fire, ²¹ they shall wash their hands and their feet so that they might not die. This shall be a perpetual statute for him and his sons, for all their generations.”

²² The Anointing Oil. The Lord said to Moses,