Civil Code (Cap. 16), article 390

390. The rights of use and habitation may not be created by the owner otherwise than by a public deed, and they shall not be operative as against third parties before the deed is registere d in the Public Registry, upon the demand of any of the interested parti es, or of the notary before whom the deed was executed. The note fo r the registration of the deed sha ll be drawn up as provided in s ub- article (2) of article 330. Where extent of right of use or habitation is not fixed in deed.