Ezekiel 43:25
[For] seven days you must provide a goat of sin offering for the day and a bull, {a calf}, and a ram from the flock without defect; you must provide [them].
Leviticus 8:33
And you must not go out from the entrance to [the] tent of assembly [for] seven days, until [the] day of fulfilling the days of your consecration, because {it will take seven days to ordain you}.
Exodus 29:35-37
And you will do so for Aaron and for his sons, according to all that I have commanded you; seven days you will ordain them.
Leviticus 8:35
And you must stay [at the] entrance to [the] tent of assembly day and night [for] seven days, and you shall keep the obligation from Yahweh, so you might not die, for thus I have been commanded."