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10Speak to the children of Israel, and tell them, When you are come into the land which I give to you, and shall reap the harvest of it, then you shall bring the sheaf of the first-fruits of your harvest to the priest: 11and he shall wave the sheaf before Yahweh, to be accepted for you: on the next day after the Sabbath the priest shall wave it.
Leviticus 23:10-11 (WEB)