Exodus 12:19

19 aFor seven days no leaven is to be found in your houses. If anyone eats what is leavened, bthat person will be cut off from the congregation of Israel, cwhether he is a sojourner or a native of the land.

Leviticus 16:29

29“And it shall be a statute to you forever that din the seventh month, on the tenth day of the month, you shall eafflict yourselves
Or  shall fast; also verse 31
and shall do no work, either gthe native or the stranger who sojourns among you.
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