Leviticus 17:3; Leviticus 17:4

3 Any Israelite who sacrifices an ox, a lamb or a goat in the camp or outside of it

4 instead of bringing it to the entrance to the tent of meeting to present it as an offering to the LORD in front of the tabernacle of the LORD—that person shall be considered guilty of bloodshed; they have shed blood and must be cut off from their people.