Exodus 29:35

And thus shalt thou do for Aaron and for his sons according to all things that I have commanded thee; seven days shalt thou fill their hands.

And thus shalt thou do unto Aaron, and to his sons, according to all things which I have commanded thee: seven days shalt thou consecrate them.

“You shall do so to Aaron and to his sons, according to all that I have commanded you. You shall consecrate them seven days.