of Subsurface Estate On conveyance to Cape Fox of the surface estate to the Federal land under subsection (a), the Secretary shall convey to Sealaska Corporation the subsurface estate to that Federal land. (c) Timing It is the intent of Congress that the Secretary complete the conveyances to Cape Fox and Sealaska Corporation under subsections (a) and (b), respectively, as soon as practicable after the date on which the Secretary receives a written notice of the selection of Cape Fox under subsection (a), but not later than 180 days after the date on which the Secretary receives that written notice. (d) Entitlement fulfilled The conveyance of Federal land to Cape Fox and the subsurface interest in the Federal land to Sealaska Corporation under subsections (a) and (b), respectively, shall be considered to fulfill the entitlement of— (1) Cape Fox under section 16 of the Alaska Native Claims Settlement Act ( 43 U.S.C. 1615 )