The son who succeeds him as priest and enters the Tent of Meeting to minister in the Holy Place must wear them for seven days.
KJV
[And] that son that is priest in his stead shall put them on seven days, when he cometh into the tabernacle of the congregation to minister in the holy [place].
ASV
Seven days shall the son that is priest in his stead put them on, when he cometh into the tent of meeting to minister in the holy place.