Deuteronomy 14:10

14:10 but whatever does not have fins and scales you may not eat; it is ritually impure to you.

Deuteronomy 15:3

15:3 You may exact payment from a foreigner, but whatever your fellow Israelite owes you, you must remit.

Deuteronomy 15:8

15:8 Instead, you must be sure to open your hand to him and generously lend him whatever he needs.