Exodus 29:11

And you are to put the ox to death before the Lord at the door of the Tent of meeting.

Exodus 29:4

And let Aaron and his sons come to the door of the Tent of meeting, and there let them be washed with water.

Leviticus 1:3-5

If the offering is a burned offering of the herd, let him give a male without a mark: he is to give it at the door of the Tent of meeting so that he may be pleasing to the Lord.

Leviticus 8:15

And he put it to death; and Moses took the blood and put it on the horns of the altar and round it with his finger, and made the altar clean, draining out the blood at the base of the altar; so he made it holy, taking away what was unclean.

Leviticus 9:8

So Aaron came near to the altar and put to death the ox for the sin-offering for himself;

Leviticus 9:12

And he put to death the burned offering; and Aaron's sons gave him the blood and he put some of it on and round the altar;

Treasury of Scripture Knowledge

Summary

And thou shalt kill the bullock before the LORD, by the door of the tabernacle of the congregation.

General references

Bible References

And

Leviticus 1:4
And he is to put his hand on the head of the burned offering and it will be taken for him, to take away his sin.
Leviticus 8:15
And he put it to death; and Moses took the blood and put it on the horns of the altar and round it with his finger, and made the altar clean, draining out the blood at the base of the altar; so he made it holy, taking away what was unclean.
Leviticus 9:8
So Aaron came near to the altar and put to death the ox for the sin-offering for himself;

Door

Exodus 29:4
And let Aaron and his sons come to the door of the Tent of meeting, and there let them be washed with water.
Leviticus 1:3
If the offering is a burned offering of the herd, let him give a male without a mark: he is to give it at the door of the Tent of meeting so that he may be pleasing to the Lord.

General references

Exodus 29:16
Then let it be put to death, so that the sides of the altar are marked with its blood.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain