; and (B) not be greater than the minimum rate of basic pay provided to GS–6 under paragraph (3). (3) The special base rates for a wildland firefighter in levels 6 through 15 of the General Schedule shall be derived by increasing the otherwise applicable General Schedule base rate on the date of enactment of this Act by the applicable percentage for the wildland firefighter’s grade as shown below and rounding the result to the nearest whole dollar: GS–6, 27 percent. GS–7, 24 percent. GS–8, 21 percent. GS–9, 18 percent. GS–10, 15 percent. GS–11, 12 percent. GS–12, 9 percent. GS–13, 6 percent. GS–14, 3 percent. GS–15, 1.5 percent. (4) When the special base rate is expressed as an hourly, daily, weekly, or biweekly rate, the rate is computed from the appropriate annual rate of basic pay derived under paragraph (2) or (3) in accordance with the rules prescribed by section 5504(b). . (b) Effective date The amendments made by subsections (a) and (d) shall be effective on the first day of the first applicable pay period beginning on or after October 1, 2023. (c) Clerical amendment The table of sections for chapter 53 of title 5, United States Code, is amended by inserting after the item relating to section 5332 the following: 5332a. Special base rates of pay for wildland firefighters. . (d) Prevailing rate employees Section 5343 of title 5, United States Code, is amended by adding at the end the following: (g) For prevailing rate employees described in section 5342(a)(2)(A) who qualify as a wildland firefighter based on the definitions of firefighter and wildland firefighter in section 5332a(a), the Secretary of Agriculture or the Secretary of the Interior (as applicable) shall increase the wage rates of such employees by amounts (determined at the sole and exclusive discretion of the applicable Secretary after consultation with the other Secretary) that are generally consistent with the percentage increases given to wildland firefighters in the General Schedule under section 5332a. Such an increased wage rate shall be