Leviticus 23:28 And you shall do no work on that same day, for it is the Day of Atonement, to make atonement for you before the LORD your God.
Leviticus 23:30-32 And any person who does any work on that same day, that person I will destroy from among his people. You shall do no manner of work; it shall be a statute forever throughout your generations in all your dwellings. It shall be to you a sabbath of solemn rest, and you shall afflict your souls; on the ninth day of the month at evening, from evening to evening, you shall celebrate your sabbath."
Leviticus 16:29 "This shall be a statute forever for you: In the seventh month, on the tenth day of the month, you shall afflict your souls, and do no work at all, whether a native of your own country or a stranger who dwells among you.
Leviticus 16:31 It is a sabbath of solemn rest for you, and you shall afflict your souls. It is a statute forever.