Exodus 29:9
29:9 and wrap the sashes around Aaron and his sons
and put headbands on them, and so the ministry of priesthood will belong to them by a perpetual ordinance. Thus you are to consecrate
Aaron and his sons.
Exodus 29:24
29:24 You are to put all these
in Aaron’s hands
and in his sons’ hands, and you are to wave them as a wave offering
before the
Lord.
Exodus 29:35
29:35 “Thus you are to do for Aaron and for his sons, according to all that I have commanded you; you are to consecrate them for seven days.