Exodus 29:30

30The son who succeeds him as priest, who comes into the tent of meeting to minister in the Holy Place, shall wear them aseven days.

Exodus 29:35

35Thus you shall do to Aaron and to his sons, according to all that I have commanded you. Through bseven days shall you ordain them,

Leviticus 14:8

8And he who is to be cleansed cshall wash his clothes and shave off all his hair and bathe himself in water, and he shall be clean. And after that he may come into the camp, but dlive outside his tent seven days.

Numbers 19:12

12He eshall cleanse himself with the water on the third day and on the seventh day, and so be clean. But if he does not cleanse himself on the third day and on the seventh day, he will not become clean.

Ezekiel 43:25-27

25 fFor seven days you shall provide daily a male goat for a sin offering; also, a bull from the herd and a ram from the flock, without blemish, shall be provided. 26Seven days shall they make atonement for the altar and cleanse it, and so consecrate it.
Hebrew fill its hand
27And when they have completed these days, then hfrom the eighth day onward the priests shall offer on the altar your burnt offerings and your ipeace offerings, and jI will accept you, declares the Lord God.”

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