Ezekiel 43:25
You will offer a goat for a sin offering each day for seven days.
Leviticus 8:33
You must not go outside the entrance to the tent of meeting for seven days, until the time your days of ordination are completed, because it will take seven days to ordain you.
Exodus 29:35-37
“This is what you are to do for Aaron and his sons based on all I have commanded you. Take seven days to ordain them.
Leviticus 8:35
You must remain at the entrance to the tent of meeting day and night for seven days and keep the Lord’s charge