La. R.S. 9:1122.101

A condominium regime is established by the execution of a condominium declaration by the owner of the immovable property to be conveyed and by every lessor of a lease the expiration and termination of which will terminate the condominium or reduce its size. The condominium declaration and any instrument by which the condominium regime is altered or terminated shall be effective against third parties when filed for registry in the conveyance records in the parish in which the immovable property is located.