Leviticus 8:33
33 And you shall not go outside the entrance of the tent of meeting for seven days, until the days of your ordination are completed, for it pwill take seven days to ordain you.
Leviticus 8:35
35 At the entrance of the tent of meeting you shall remain day and night for seven days, performing what the Lord has qcharged, so that you do not die, for so I have been commanded.”