Art. 1279.  Rights of coheirs against defaulting heir; foreclosure of special mortgage.

If the heir, who has been allowed to furnish his obligation as mentioned in the preceding article, fails to fulfill his engagement at the expiration of the year granted to him, the heirs, in whose favor this obligation has been made, or their representatives, have a right to cause the property mortgaged to them to be seized and sold, without any appraisement, and at the price offered at the first exposure for sale.