Leviticus 21:23
but he is not to enter through the curtain nor approach the altar, since he has a defect. That way, he won't defile my sanctuary, since I am the LORD, who sets you apart."
Leviticus 21:12
He is not to go out of the sanctuary or defile the sanctuary of his God, because his God's consecrating oil of anointing rests on him. I am the LORD.
Exodus 30:6-8
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.
Exodus 40:26-27
He put the golden altar in the Tent of Meeting in front of the curtain
Leviticus 15:31
"So separate the Israelis from their uncleanness so that they won't die in their uncleanness if they defile my tent that is in their midst.
Ezekiel 44:9-14
"This is what the Lord GOD says, "No foreigner who is both uncircumcised in heart and flesh, of all the foreigners who are among the Israelis is to enter my sanctuary.