Vayikra 23:8-10

Orthodox Jewish Bible

⁸ But ye shall offer an offering made by eish unto Hashem shivat yamim; in the seventh day is a mikra kodesh; ye shall do no melekhet avodah therein.

⁹ And Hashem spoke unto Moshe, saying,

¹⁰ Speak unto the Bnei Yisroel, and say unto them, When ye be come into HaAretz which I am giving unto you, and shall reap the harvest thereof, then ye shall bring an omer (sheaf [of Barley]) of the reshit of your harvest unto the kohen;