Leviticus 8:33
And you shall not go out of the door of the tabernacle of meeting in seven days, until the days of your consecration be at an end: for seven days shall he consecrate you.
Exodus 29:35
And thus shall you do unto Aaron, and to his sons, according to all things which I have commanded you: seven days shall you consecrate them.
Exodus 29:30
And that son that is priest in his stead shall put them on seven days, when he comes into the tabernacle of meeting to minister in the holy place.
Leviticus 14:8
And he that is to be cleansed shall wash his clothes, and shave off all his hair, and wash himself in water, that he may be clean: and after that he shall come into the camp, but shall stay outside of his tent seven days.
Numbers 19:12
He shall purify himself with the water on the third day, and on the seventh day he shall be clean: but if he purify not himself the third day, then the seventh day he shall not be clean.
Ezekiel 43:25-27
Seven days shall you prepare every day a goat for a sin offering: they shall also prepare a young bullock, and a ram out of the flock, without blemish.