; or (B) with respect to any parcel of eligible land selected for sale or exchange under subsection (b) that is not sold or exchanged, not later than 2 years after the date on which the parcel was offered for sale or exchange under this title. (f) Parameters for sale or exchange (1) Sales (A) Deadline Except as provided in paragraph (3), not later than 1 year after the date of enactment of this Act, and not less frequently than once per year thereafter until the date on which the limitation in subparagraph (B) has been reached or the date on which the County requests a postponement under paragraph (3), the Secretary shall offer for sale the parcels of eligible land jointly selected under subsection (b). (B) Limitation The total acreage of eligible land sold under this title shall consist of not more than 150,000 acres of eligible land. (2) Deadline for exchanges Except as provided in paragraph (3), not later than 1 year after the date on which the Management Priority Areas are identified under subsection (d)(4)(A), and not less frequently than once per year thereafter until the date on which all of the parcels of eligible land have been disposed of or the date on which the County requests a postponement under paragraph (3), the Secretary shall offer for exchange the parcels of eligible land jointly selected under subsection (b). (3) Postponement