Leviticus 23:27-29
27 “The tenth day of this seventh month is the Day of Atonement.(A) You are to hold a sacred assembly and practice self-denial;(a)(B) you are to present a fire offering to the Lord.
28 On this particular day you are not to do any work, for it is a Day of Atonement to make atonement for yourselves before the Lord your God.
29 If any person does not practice self-denial on this particular day, he must be cut off from his people.
Footnotes:
a.
Leviticus 23:27: Traditionally, fasting, abstinence from sex, and refraining from personal grooming