[ULPIANUS libro uicensimo tertio ad edictum. ] §46.1.31.prSi fideiussor uel quis alius pro reo ante diem creditori soluerit, exspectare debebit diem, quo eum soluere oportuit.
[ULPIANUS in the twenty-third book on the Edict.] If a surety or anyone else pays the creditor on behalf of the principal debtor before the due date, he will have to wait for the day on which it was proper for that debtor to pay.