; (B) the public with opportunities for off-road vehicle recreation, including a location for races, competitive events, training, and other commercial services that directly support a centralized off-road vehicle recreation area and City park; and (C) a designated area and facilities that would discourage unauthorized use of off-highway vehicles in areas that have been identified by the Federal Government, the State of California, or the County of San Bernardino as containing environmentally sensitive land. (3) Disposal prohibited The land conveyed under subsection (b) may not be disposed of by the City without the approval of the Secretary of the Interior. (d) Temporary reversionary interest During the 5-year period beginning on the date of the conveyance of the land under subsection (b), if the Secretary of the Interior determines that the City has disposed of the conveyed land in violation of subsection (c)(3) or has failed to use the land for the authorized purposes laid out in subsection (c)(2), title to the land shall revert to the United States, at the option of the Secretary. At the end of the 5-year period, the Secretary shall release the reversionary interest.