Leviticus 23:3, 8, 21, 25, 35-36
Leviticus 23:8 KJV
But ye shall offer an offering made by fire unto the LORD seven days: in the seventh day is an holy convocation: ye shall do no servile work therein.
Leviticus 23:25 KJV
Ye shall do no servile work therein: but ye shall offer an offering made by fire unto the LORD.