Exodus 29:11

11 Slaughter it in the LORD’s presence at the entrance to the tent of meeting.

Read Exodus 29:11 Using Other Translations

And thou shalt kill the bullock before the LORD, by the door of the tabernacle of the congregation.
Then you shall kill the bull before the LORD at the entrance of the tent of meeting,
Then slaughter the bull in the LORD ’s presence at the entrance of the Tabernacle.