The creditor is not bound to accept payment or performance by a third person who has no interest in the fulfillment of the obligation, unless there is a stipulation to the contrary.
Whoever pays for another may demand from the debtor what he has paid, except that if he paid without the knowledge or against the will of the debtor, he can recover only insofar as the payment has been beneficial to the debtor. (1158a)
Ang nagpapautang ay hindi kabilang o nasasakop ng pagtanggap ng pagbabayad ng ikatlong tao na walang kinalaman o interes sa kaganapan ng obligasyon, maliban kung mayroong kasunduan sa isang banda.
Ang sinumang nagbayad para sa iba ay maaaring makapaningil sa nangutang ng kanyang binayaran, maliban na kung siya ay magbayad ng hindi alam at hindi ayon sa kagustuhan ng nagpautang, mababawi o masisingil lamang niya ito kung ang pagbabayad ay may kapakinabangan sa inutang.
If the third person pays the obligation of the debtor with the knowledge and consent of the latter, the payor is entitled to be reimbursed for the full amount he paid. Same rule applies if the debtor knows that the third person is making a payment but he did not object thereto or he did not repudiate at the same at anytime.
If the payment was made without the knowledge of or against the debtor’s will, the reimbursement shall be only up to the amount or extent by which the debtor was benefited. Consequently, if the debt had already prescribed or had already been compensated, the payment would no longer be beneficial to the debtor. Under situation, the payor is definitely not entitled to reimbursement from the debtor.