Exodus 29:11 in the King James Version
And thou shalt kill the bullock before the LORD, by the door of the tabernacle of the congregation.
Context
10 “You shall bring the bull before the Tent of Meeting; and Aaron and his sons shall lay their hands on the head of the bull.
11 You shall kill the bull before the LORD at the door of the Tent of Meeting.
12 You shall take of the blood of the bull, and put it on the horns of the altar with your finger; and you shall pour out all the blood at the base of the altar.