Exodus 29:11
and kill him before the LORD in the door of the tabernacle of witness.
Exodus 29:4
And bring Aaron and his sons unto the door of the tabernacle of witness, and wash them with water,
Leviticus 1:3-5
If he bring a burnt offering of the oxen he shall offer a male without blemish, and shall bring him to the door of the tabernacle of witness, that he may be accepted before the LORD.
Leviticus 8:15
And when it was slain, Moses took of the blood, and put it upon the horns of the altar round about with his finger and purified it, and poured the blood unto the bottom of the altar and sanctified it and reconciled it.
Leviticus 9:8
And Aaron went unto the altar, and slew the calf that was his sin offering.
Leviticus 9:12
Afterward he slew the burnt offering, and Aaron's sons brought the blood unto him, and he sprinkled it round about upon the altar.