Without prejudice to the continued application of the customary law pursuant to Section 1 of Article XIII, and subject to the customary law or to any traditional practice in any part of the Republic, it shall not be lawful or competent for any person having any right in any land in the Republic under the customary law or any traditional practice to make any alienation or disposition of that land, whether by way of sale, mortgage, lease, license or otherwise, without the approval of the Iroijlaplap, Iroijedrik, where necessary, Alap and the Senior Dri Jerbal of such land, who shall be deemed to represent all persons having an interest in that land.