2221. In respect of third persons, the partners are jointly liable for the obligations contracted by the partnership but they are solidarily liable if the obligations have been contracted for the service or operation of an enterprise of the partnership.
Before instituting proceedings for payment against a partner, the creditors shall first discuss the property of the partnership; if proceedings are instituted, the property of the partner is not applied to the payment of creditors of the partnership until after his own creditors are paid.