Art. 5154 Third possessor's right to plead

If you buy property that has a mortgage on it from a previous owner, and the lender later tries to collect that debt by going after your property, you have an option. You can ask the court to make the lender first try to collect from other property that still belongs to the original borrower, or from property that someone else bought from the original borrower after you bought yours. This legal option is called "discussion."

In simple terms, this rule protects you as a buyer. It means the lender cannot automatically come after your property first just because it happens to have the old mortgage attached to it. If there is other property out there that could cover the debt, and that property belongs to the person who originally owed the money (or someone who got it from them later), the lender may have to go after that property before touching yours.

This rule gives some fairness to people who buy property without knowing it might get pulled into someone else's debt problems. It puts the responsibility back on the lender to pursue the original borrower's other assets first, rather than immediately targeting the new owner who had nothing to do with creating the debt.