Exodus 29:29-31

Young's Literal Translation

²⁹ `And the holy garments which are Aaron's, are for his sons after him, to be anointed in them, and to consecrate in them their hand;

³⁰ seven days doth the priest in his stead (of his sons) put them on, when he goeth in unto the tent of meeting, to minister in the sanctuary.

³¹ `And the ram of the consecration thou dost take, and hast boiled its flesh in the holy place;