Civil Code (Cap. 16), article 351

351. (1) The inventory shall be made up in the presence of the owner, or after his having been called upon to attend even by m eans of a judicial letter. (2) It must be made by a public deed unless in the act creating the usufruct power has been given for it to be made by means of a private writing, and the owner consents that it be so made. (3) Unless otherwise provided in the act creating the usufruct, the expenses of the inventory sh all be borne by the usufructuar y. Security to be given by usufructuary.