Article 731 — Unjustifiable Preference.

Any debtor who, having been adjudged bankrupt or having given a declaration of default, and knowing himself to be insolvent, has preferred certain of his creditors to the prejudice of the others, in particular: a) by paying debts not due or by paying debts at maturity other than in cash or by the customary securities; or b) by giving on his own account security for a debt when not bound so to do; or c) in any other similar manner, is punishable with simple imprisonment not exceeding three years.