; and (B) the duties of the position of whom primarily relate to fires occurring in forest lands, range lands, or other wildlands, as opposed to structural fires. (b) Treatment of premium pay Any premium pay earned by a covered employee for covered services shall be disregarded in calculating the aggregate of the basic pay and premium pay of the covered employee for purposes of applying a limitation under section 5547. (c) Treatment of disregarded premium pay Any premium pay that is disregarded under subsection (b) shall be disregarded in calculating the aggregate pay of the applicable covered employee for purposes of applying the limitation in section 5307. (d) Limitation (1) In general Pay that is disregarded under subsection (b) may not be paid to the extent that such pay would cause the aggregate of the basic pay, premium pay, and hazard pay of the applicable covered employee under section 5545(d) payable in the applicable calendar year to exceed the rate of basic pay payable for a position at level II of the Executive Schedule under section 5313, as in effect at the end of that calendar year. (2) Biweekly limitation For the purposes of paragraph (1), any premium pay that is subject to a biweekly limitation under section 5547(c) shall be paid first before other premium pay in applying the level II limitation. (e) Relationship to lump-Sum payment Any additional pay resulting from application of this section may not be used in computing a lump-sum payment for accumulated and accrued annual leave under section 5551 or 5552. (f) Records The Secretary of the Interior, the Secretary of Agriculture, and the Secretary of Commerce shall each maintain records that document uses of the authority provided under this section. (g) Limitation for prevailing rate employees (1) Definitions In this subsection— (A) the term basic pay means wages, environmental differential pay, and night shift differential pay