on the map entitled Carson City OPLMA Lands and dated February 28, 2019. (c) Costs Any costs relating to the conveyance authorized under subsection (a), including any costs for surveys and other administrative costs, shall be paid by the city. (d) Reversion If the land conveyed under subsection (a) is used in a manner inconsistent with subsection (a), the Federal land shall, at the discretion of the Secretary, revert to the United States. 504. Amendment to reversionary interests (a) Sale or lease of land to third parties Section 2601(b)(4) of Public Law 111–11 (123 Stat. 1111) is amended by inserting after subparagraph (D), the following: (E) Sale or lease of land to third parties The City may enter into an agreement to sell, lease, or otherwise convey all or part of the land described in subparagraph (D) to third parties for public purposes. . (b) Conditions The sale of any land under subsection (a) shall be for not less than fair market value. 505. Disposal of Federal land (a) Disposal Subject to valid existing rights and notwithstanding the land use planning requirements of section 202 of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1712 ), the Secretary shall dispose of the land described in subsection (b). (b) Description of land The land referred to in subsection (a) is the approximately 28 acres depicted as Lands for BLM Disposal on the map entitled Carson City OPLMA Lands and dated 2018. (c) Costs Any costs relating to the disposal under subsection (a), including costs of surveys and administrative costs, shall be paid by the party entering into the disposal agreement with the Bureau of Land Management for the land described in subsection (b). (d) Conditions Upon disposal, the City shall retain— (1) a public utility easement concurrent with Koontz Lane and Conti Drive, which provides waterlines and access to the water tank immediately east of the subject parcels