Exodus 29:10 in the King James Version
And thou shalt cause a bullock to be brought before the tabernacle of the congregation: and Aaron and his sons shall put their hands upon the head of the bullock.
Context
9 You shall clothe them with belts, Aaron and his sons, and bind headbands on them. They shall have the priesthood by a perpetual statute. You shall consecrate Aaron and his sons.
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.