Exodus 29:4

29:4 “You are to present Aaron and his sons at the entrance of the tent of meeting. You are to wash them with water

Leviticus 1:3

Burnt Offering Regulations: Animal from the Herd

1:3 “‘If his offering is a burnt offering from the herd he must present it as a flawless male; he must present it at the entrance of the Meeting Tent for its acceptance before the Lord.