Deuteronomy 23:19-20 NIV

19 Do not charge your brother interest, whether on money or food or anything else that may earn interest.

References for Deuteronomy 23:19

20 You may charge a foreigner1 interest, but not a brother Israelite, so that the LORD your God may bless2 you in everything you put your hand to in the land you are entering to possess.

References for Deuteronomy 23:20