Leviticus 23:20-23

²⁰The priest must wave them together with the bread of the firstfruits before Yahweh, and present them to him as an offering with the two lambs. They will be holy offerings to Yahweh for the priest.

²¹You must make a proclamation on that same day. There will be a holy assembly, and you must do no ordinary work. This will be a permanent statute throughout your people's generations in all the places where you live.

²²When you reap the harvest of your land, you must not completely reap the corners of your fields, and you must not gather the gleanings of your harvest. You must leave them for the poor and for the foreigner. I am Yahweh your God.'”

²³Yahweh spoke to Moses, saying,