Cap. 16 Art. 2160Debtor or his heirs or those claiming under him may be put on oath.

(1) The prescriptions established in articles 2147, 2148, 2149, 2156 and 2157 shall not be effectual if the parties pleading them, do not of their own accord declare on oath, during the cause, that they are not debtors, or that they do not remember whether the thing has been paid.

(2) If the oath is deferred to the heirs of the person whom the plaintiff alleges to have been the debtor, or to parties claiming under such person, the said prescriptions shall not be effectual if such heirs or parties do not declare that they do not know that the thing is due.

(3) In proceedings for the collection of debts referred to in the proviso to article 2156, where a party to the proceedings declares on oath that he or she is not a debtor, such party shall be required to give reasons why he or she considers himself or herself not to be a debtor. FIRST SCHEDULE