Ezekiel 43:25
Every day for seven days you shall prepare a goat for a sin offering. They also shall prepare a young bull, and a ram out of the flock, without blemish.
Leviticus 8:33
You shall not go out of the door of the tabernacle of the congregation seven days, until the days of your consecration are at an end. For He shall consecrate you seven days.
Exodus 29:35-37
And so you shall do to Aaron and to his sons according to all things which I have commanded you. You shall consecrate them seven days.
Leviticus 8:35
And you shall remain at the door of the tabernacle of the congregation day and night seven days, and keep the charge of Jehovah, so that you do not die. For so I am commanded.