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 29:29
29:29 “The holy garments that belong to Aaron are to belong to his sons after him, so that they may be anointed in them and consecrated in them.