Leviticus 10:8-10

New International Version - UK

⁸ Then the Lord said to Aaron, ⁹ ‘You and your sons are not to drink wine or other fermented drink whenever you go into the tent of meeting, or you will die. This is a lasting ordinance for the generations to come, ¹⁰ so that you can distinguish between the holy and the common, between the unclean and the clean,