Civil Code (Cap. 16), article 472

472. Where the owner of the servient tenement is bound, in the terms of the title, to bear the expense necessary for the exerc ise or preservation of the easement, suc h obligation shall remain atta ched to that tenement, even though it passes into other hands: Provided that the possessor of su ch tenement may release himsel f from such obligation by abandoning, in favour of the owner of t he dominant tenement, that part of the servient tenement over whic h the easement is exercised. Where dominant tenement is divided.