Exodus 30:21 in the World English Bible
So they shall wash their hands and their feet, that they not die. This shall be a statute forever to them, even to him and to his descendants throughout their generations.”
Context
20 When they go into the tabernacle of the congregation, they shall wash with water, that they die not; or when they come near to the altar to minister, to burn offering made by fire unto the LORD:
21 So they shall wash their hands and their feet, that they die not: and it shall be a statute for ever to them, even to him and to his seed throughout their generations.
22 Moreover the LORD spake unto Moses, saying,