Leviticus 10:7-9

Amplified Bible

⁷ You shall not even go out of the doorway of the Tent of Meeting, or you will die; for the Lord’s anointing oil is upon you.” So they did [everything] according to the word of Moses.

⁸ Then the Lord spoke to Aaron, saying, ⁹ “^[a]Do not drink wine or intoxicating drink, neither you nor your sons with you, when you come into the Tent of Meeting, so that you will not die—it is a permanent statute throughout your generations—