Exodus 30:36
You are to grind some of it fine, and put some before the Testimony in the Tent of Meeting where I will meet with you. It is to be most holy to you.
Exodus 25:22
I'll meet with you there, and I'll tell you all my commandments for the Israelis from above the Mercy Seat, from between the two cherubim that are on the Ark of the Testimony."
Exodus 16:34
So Aaron placed it before the Testimony to be kept, just as the LORD had commanded Moses.
Exodus 29:42-43
It is to be a regular burnt offering throughout your generations at the doorway to the Tent of Meeting in the LORD's presence, where I'll meet with you to speak to you there.
Exodus 30:6
You are to put the altar in front of the curtain that is over the Ark of the Testimony, in front of the Mercy Seat that is over the Testimony where I'll meet with you.
Leviticus 16:2
The LORD told Moses, "Remind your brother Aaron that at no time is he to enter the sacred place from the room that contains the curtain into the presence of the Mercy Seat on top of the ark. Otherwise, he'll die, because I will appear in a cloud at the Mercy Seat.