On the date of transfer to the State (pursuant to section 1203 of this title) or other disposition (pursuant to section 1210 of this title), that portion of rail properties of the Alaska Railroad within the Denali National Park and Preserve shall, subject to the exclusive-use easement granted pursuant to section 1203(b)(1)(D) of this title, be transferred to the Secretary of the Interior for administration as part of the Denali National Park and Preserve, except that a transferee under section 1210 of this title shall receive the same interest as the State under section 1203(b)(1)(D) of this title.