Exodus 29:30-32

Amplified Bible

³⁰ That son who is [high] priest in his place shall put them on [each day for] seven days when he comes into the Tent of Meeting to minister in the Holy Place.

Food of the Priests

³¹ “You shall take the ram of the ordination and boil its meat in a holy place. ³² Aaron and his sons shall eat the meat of the ram and the bread in the basket, at the doorway of the Tent of Meeting.