Leviticus 8:33
And you are not to go out from the door of the Tent of meeting for seven days, till the days for making you priest are ended; for this will be the work of seven days.
Exodus 29:35
All these things you are to do to Aaron and his sons as I have given you orders: for seven days the work of making them priests is to go on.
Exodus 29:30
For seven days the son who becomes priest in his place will put them on when he comes into the Tent of meeting to do the work of the holy place.
Leviticus 14:8
And he who is to be made clean will have his clothing washed and his hair cut and have a bath, and he will be clean. And after that he will come back to the tent-circle; but he is to keep outside his tent for seven days.
Numbers 19:12
On the third day and on the seventh day he is to make himself clean with the water, and so he will be clean: but if he does not do this on the third day and on the seventh day, he will not be clean.
Ezekiel 43:25-27
Every day for seven days you are to give a goat for a sin-offering: and let them give in addition a young ox and a male sheep from the flock without any mark on them.