Article 412. Set off upon assignment of a claim.
In the event of the assignment of the claim, the debtor is entitled to set off against his claim of the new creditor his counterclaim to the original creditor. The offset is made if the claim arose on the basis that existed at the time of receipt by the debtor of the notification of the assignment of the claim, and the period for the claim came before its receipt or this period was not specified or determined by the moment of demand.
References to other articles of chapter 26. Termination of obligations: