Le Deutéronome 23:21 Halakha : Mishneh Torah, Negative Mitzvot, Mishneh Torah, Positive Mitzvot, Shulchan Arukh, Yoreh De'ah & Sefer HaChinukh

לַנָּכְרִ֣י תַשִּׁ֔יךְ וּלְאָחִ֖יךָ לֹ֣א תַשִּׁ֑יךְ לְמַ֨עַן יְבָרֶכְךָ֜ יְהוָ֣ה אֱלֹהֶ֗יךָ בְּכֹל֙ מִשְׁלַ֣ח יָדֶ֔ךָ עַל־הָאָ֕רֶץ אֲשֶׁר־אַתָּ֥ה בָא־שָׁ֖מָּה לְרִשְׁתָּֽהּ׃ (ס)

A l’étranger tu peux prêter à intérêt, tu ne le dois pas à l’égard de ton frère, si tu veux que l’Éternel, ton Dieu, bénisse tes divers travaux dans le pays où tu vas entrer pour en prendre possession.

Mishneh Torah, Negative Mitzvot

Not to delay bringing vowed or free-will*An offering is vowed, when a particular beast has been set apart for sacrifice. A free-will offering is so called when one promised to bring a special kind of sacrifice without setting apart a particular beast. offerings, as it is said, “(When thou shalt vow a vow unto the Lord, thy God) thou shalt not delay to pay it” (Deut. 23:22).

Mishneh Torah, Positive Mitzvot

To lend to an alien at interest, as it is said, “Unto a stranger, thou mayest lend upon interest” (Deut. 23:21). According to tradition, this is mandatory*R. Abraham Ben David criticizes this view and regards it as permissive..

Mishneh Torah, Positive Mitzvot

To restore lost property, as it is said, “Thou shalt surely bring them back unto thy brother” (Deut. 22:1).