Leviticus 10:7-9

New American Standard Bible

⁷ You shall not even go out from the doorway of the tent of meeting, or you will die; for ^(A)the Lord’s anointing oil is upon you.” So they did according to the word of Moses.

⁸ The Lord then spoke to Aaron, saying, ⁹ “^(B)Do not drink wine or strong drink, neither you nor your sons with you, when you come into the tent of meeting, so that you do not die—it is a permanent statute throughout your generations—