504. Surety's right of proof against principal debtor.

A surety cannot exercise a right of proof in the debtor's bankruptcy, so long as the principal creditor has not been paid in full in respect of the debt guaranteed and has proved or is entitled to prove1. The surety is, however, a person to whom an individual may give a preference which may be set aside or adjusted by the court on an application by the trustee of that individual when subsequently made bankrupt