Civil Code (Cap. 16), article 354

354. The owner may demand the security, where required, either before or within one year after the usufructuary shall h ave commenced to exercise his rights over the things subject to the usufruct; after the expiration of the said year, it shall not b e lawful for the owner to demand the secu rity unless he proves that the condition or the conduct of the usufructuary has so changed tha t the fulfilment of his obligations is thereby endangered. Where usufructuary fails to give security.