Leviticus 16:1-2

New International Version

The Day of Atonement^(A)

16 The Lord spoke to Moses after the death of the two sons of Aaron who died when they approached the Lord.^{(B) 2} The Lord said to Moses: “Tell your brother Aaron that he is not to come whenever he chooses^(C) into the Most Holy Place^(D) behind the curtain^(E) in front of the atonement cover^(F) on the ark, or else he will die. For I will appear^(G) in the cloud^(H) over the atonement cover.