Civil Code (Cap. 16), article 458

458. The title creating an easement is null unl ess it results from a public deed; and where the easement is created by a deed inter vivos , the easement shall not be operative as regards third parties before the deed is registered in the Public Registry as provide d in article 330, on the demand of any of the parties interested, or of the notary receiving the deed. Creation of easements over tenements subject to usufruct.