Deuteronomy 15:1

“Beware lest there be a vile thought in your heart, saying, ‘The seventh year, the year of the remission of debts, is near,’ and your eye is hostile toward your needy brother, and you give him nothing; then he may cry to Yahweh against you, and it will be a sin in you.

Then Moses commanded them, saying, “At the end of every seven years, at the time of the year of the remission of debts, at the Feast of Booths,

As for the peoples of the land who bring wares or any grain on the sabbath day to sell, we will not receive from them on the sabbath or a holy day; and we will forego the crops the seventh year and the exaction of every debt.

Remission of Debt Every Seven Years