Leviticus 23:22-24

New Revised Standard Version, Anglicised Catholic Edition

²² When you reap the harvest of your land, you shall not reap to the very edges of your field, or gather the gleanings of your harvest; you shall leave them for the poor and for the alien: I am the Lord your God.

The Festival of Trumpets

²³ The Lord spoke to Moses, saying: ²⁴ Speak to the people of Israel, saying: In the seventh month, on the first day of the month, you shall observe a day of complete rest, a holy convocation commemorated with trumpet blasts.