(a) Pay disparities shall be identified and reduced as follows: (1) Comparability payments shall be payable within each locality determined to have a pay disparity greater than 5 percent. (2) (A) The localities having pay disparities, and the size of those disparities, shall, for purposes of any comparability payment scheduled to take effect in any calendar year, be determined in accordance with the appropriate report, as prepared and submitted to the President under subsection (d)(1) for purposes