Exodus 28:43 in the World English Bible
They shall be on Aaron and on his sons, when they go in to the Tent of Meeting, or when they come near to the altar to minister in the holy place, that they don’t bear iniquity, and die. This shall be a statute forever to him and to his offspring after him.
Context
42 And thou shalt make them linen breeches to cover their nakedness; from the loins even unto the thighs they shall reach:
43 And they shall be upon Aaron, and upon his sons, when they come in unto the tabernacle of the congregation, or when they come near unto the altar to minister in the holy place; that they bear not iniquity, and die: it shall be a statute for ever unto him and his seed after him.