International Standard Version Aaron's son, who is priest in his place, is to wear them for seven days when he comes into the Tent of Meeting to minister in the Holy Place.
American Standard Version 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.
Young's Literal Translation 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.