15. The United States may settle any civilized Indians, friendly with the Cherokees, within the latter's country on unoccupied lands east of 96°, on terms agreed upon between such Indians and the Cherokees, subject to the approval of the President of the United States. If any tribe so settling shall abandon its tribal organization and pay into the Cherokee national fund a sum bearing the same proportion to such fund as said tribe shall in numbers bear to the population of the Cherokee Nation such tribe shall be incorporated into and ever after remain a part of that nation on equal terms with native citizens thereof. If any tribe so settling shall decide to preserve its tribal organization, laws, customs, and usages not inconsistent with the constitution and laws of the Cherokee Nation, it shall have set apart in compact form for use and occupancy a tract equal to 160 acres for each member of the tribe. Such tribe shall pay for this land a price agreed upon with the Cherokees, subject to the approval of the President of the United States, and in case of disagreement the price to be fixed by the President. Such tribe shall also pay into the national fund a sum to be agreed upon by the respective parties, not greater in proportion to the whole existing national fund and the probable proceeds of the lands herein ceded or authorized to be ceded or sold than their numbers bear to the whole number of Cherokees, and thereafter they shall enjoy all the rights of native Cherokees. No Indians without tribal organization, or who having one shall have determined to abandon the same, shall be permitted to settle in the Cherokee country east of 96° without the permission of the proper Cherokee authorities. And no Indians determining to preserve their tribal organization shall so settle without such consent, unless the President, after a full hearing of the Cherokee objections thereto, shall deem them insufficient and authorize such settlement. 16. The United States may settle friendly Indians on any Cherokee lands west of 96°; such lands to be selected in compact form and to equal in quantity 160 acres for each member of the tribe so settled. Such tribe shall pay therefor a price to be agreed upon with the Cherokees, or, in the event of failure to agree, the price to be fixed by the President. The tract purchased shall be conveyed in fee simple to the tribe so purchasing, to be held in common or allotted in severalty as the United States may decide. The right of possession and jurisdiction over the Cherokee country west of 96° to abide with the Cherokees until thus sold and occupied.