Lev Leviticus, chapter Book of Leviticus, chapter 8
Aaron and his sons were appointed to be priests
“Bring Aaron and his sons, and bring their ◄special clothes/clothes that they will wear while they do the work of priests►, the oil for anointing them, the bull to be offered to cause them to become forgiven for the sins they have committed, the two rams to be slaughtered, and the basket containing bread made without yeast. Exo 28:1; Lev 9:18; Lev 9:22