Easement by indication by a head of family

If in two properties of the same owner or in two portions of one property, there is a sign or signs apparent and permanent put by him or by his predecessors in one or in both, which indicate the easementary nature of one with respect to the other, these signs shall be deemed to be proofs of the easements when in respect of the ownership the two properties or the two portions of the same property come to be partitioned, except if at the time of the partition a different declaration is made in the concerned document.