1286. If the beneficiary renounces his right, or if his right lapses, it passes, according to whether he is the beneficiary of the fruits and revenues or of the capital, to the co-beneficiaries of the fruits and revenues or of the capital, in proportion to the share of each.
If he is the sole beneficiary of the fruits and revenues of his rank, his right passes, in proportion to the share of each, to the beneficiaries of the fruits and revenues of the second rank, or where there are no such beneficiaries, to the beneficiaries of the capital.