Leviticus 23:10 in the King James Version
Speak unto the children of Israel, and say unto them, When ye be come into the land which I give unto you, and shall reap the harvest thereof, then ye shall bring a sheaf of the firstfruits of your harvest unto the priest:
Context
9 The LORD spoke to Moses, saying,
10 “Speak to the children of Israel, and tell them, ‘When you have come into the land which I give to you, and shall reap its harvest, then you shall bring the sheaf of the first fruits of your harvest to the priest.
11 He shall wave the sheaf before the LORD, to be accepted for you. On the next day after the Sabbath the priest shall wave it.