Exodus 29:30-32

New Revised Standard Version, Anglicised

³⁰ The son who is priest in his place shall wear them for seven days, when he comes into the tent of meeting to minister in the holy place.

³¹ You shall take the ram of ordination, and boil its flesh in a holy place; ³² and Aaron and his sons shall eat the flesh of the ram and the bread that is in the basket, at the entrance of the tent of meeting.