Related for Pesachim 62:3
ור"מ סבר קל וחומר ישראל מישראל קני ישראל מנכרי לא כל שכן אבל נכרי שהלוה את ישראל על חמצו אחר הפסח דברי הכל עובר התם ודאי נכרי מישראל לא קני
applies only to an Israelite [taking a pledge] from an Israelite, since we read in his case, 'and it shall be righteousness unto thee'; but an Israelite [taking a pledge] from a Gentile does not acquire a title.<span class="x" onmousemove="('comment',' Therefore he does not transgress in respect of the leaven.');"><sup>5</sup></span> While R'Meir holds, [It follows] a fortiori; if an Israelite acquires from an Israelite, how much the more an Israelite from a Gentile! But if a Gentile lent [money] to an Israelite on his leaven, after Passover all agree that he transgresses: ther the Gentile certainly does not acquire a title from the Israelite.<span class="x" onmousemove="('comment',' Hence the leaven stood in the ownership of the Israelite.');"><sup>6</sup></span> We learned: IF A GENTILE LENT [MONEY] TO AN ISRAELITE ON HIS LEAVEN, AFTER PASSOVER IT IS PERMITTED FOR USE.