; and (ii) the difference between the overall average percentage of the locality-based comparability payments taking effect in fiscal year 2017 under section 5304 of such title (whether by adjustment or otherwise), and the overall average percentage of such payments which was effective in the previous fiscal year under such section. (2) Other prevailing rate employees Notwithstanding any other provision of law, no prevailing rate employee described in subparagraph (B) or (C) of section 5342(a)(2) of title 5, United States Code, and no employee covered by section 5348 of such title, may be paid during the periods for which paragraph (1) is in effect at a rate that exceeds the rates that would be payable under paragraph (1) were paragraph (1) applicable to such employee. (3) Employees paid from new schedules For the purposes of this subsection, the rates payable to an employee who is covered by this subsection and who is paid from a schedule not in existence on September 30, 2016, shall be determined under regulations prescribed by the Office of Personnel Management. (4) Rates of premium pay Notwithstanding any other provision of law, rates of premium pay under subchapter V of chapter 55 of title 5, United States Code, for employees subject to this subsection may not be changed from the rates in effect on September 30, 2016, except to the extent determined by the Office of Personnel Management to be consistent with the purpose of this subsection. (5) Period covered This subsection shall apply with respect to pay for service performed on or after the first day of the first applicable pay period beginning after December 31, 2016. (6) Treatment under other laws For the purpose of administering any provision of law (including any rule or regulation that provides premium pay, retirement, life insurance, or any other employee benefit) that requires any deduction or contribution, or that imposes any requirement or limitation on the basis of a rate of salary or basic pay, the rate of salary or basic pay payable after the