Deuteronomy 15:2 and this 'is' the matter of the release: Every owner of a loan 'is' to release his hand which he doth lift up against his neighbour, he doth not exact of his neighbour and of his brother, but hath proclaimed a release to Jehovah; (See NAS)
Deuteronomy 23:19 You shall not lend on interest to your brother; interest of money, interest of food, interest of anything that is lent on interest: (See NAS)