Cap. 16 Art. 1466In default of declaration by co- sellers or co-heirs buyer becomes irrevocably owner of whole tenement.

If within the aforesaid time any of the co-sellers or co-

heirs fails to declare that he desires to exercise the right of redemption in respect of his portion, the buyer shall become irrevocably the owner of the whole tenement, unless such of the co-

sellers or co-heirs as may have exercised the right of redemption in respect of their portion shall, upon being called upon by the buyer by means of a judicial act, and within ten days from the service thereof, redeem the whole tenement in accordance with the provisions of article 1448.