Service in accordance with this Act that diminishes the fair market value of any real property by not less than 50 percent with respect to the intended use of the real property. (ii) Exclusion The term agency action does not include any action taken with respect to intrastate endangered species or intrastate threatened species regulated by a Governor of a State under section 4(j). (B) Lessee The term lessee means a lessee of any real property affected by an agency action. (C) Owner The term owner means an owner of any real property affected by an agency action. (2) Compensation Except as provided in paragraph (3)(B), not later than 180 days after the date on which an agency action takes place, the Secretary shall pay an owner or lessee an amount equal to 150 percent of the fair market value of the real property determined in accordance with paragraph (3). (3) Determination of fair market value (A) In general The fair market value described in paragraph (2) shall be determined by 2 licensed independent appraisers of whom— (i) one shall be chosen by the Secretary