; and (ii) may prescribe regulations implementing the pay differential under this section with respect to employees in the applicable agency. (B) Consistency with OPM guidance and regulations Any criteria developed, and regulations prescribed, by an agency under subparagraph (A) shall, to the extent practicable, be comparable to any criteria developed and regulations prescribed by the Office of Personnel Management under paragraph (1). 170203. Limitation on premium pay (a) In general Notwithstanding subsections (a) and (b) of section 5547 of title 5, United States Code, or a provision of any other Federal, State, or Tribal law that imposes a limitation on the amount of premium pay (including any premium pay paid under section 202 and any overtime pay paid for covered duty) that may be payable to an employee, an employee may be paid such premium pay to the extent that the payment does not cause the aggregate of basic pay and such premium pay for service performed in that calendar year by that employee to exceed the annual rate of basic pay payable for level II of the Executive Schedule, as of the end of the calendar year. (b) Applicability of aggregate limitation on pay In determining whether a payment to an employee is subject to the limitation under section 5307(a) of title 5, United States Code, a payment described in subsection (a) shall not apply. (c) Applicability of CARES Act The authority provided under this section shall be considered to be in addition to, and not a replacement for, the authority provided under section 18110 of title VIII of the CARES Act ( Public Law 116–136 ). (d) Retroactive effect This section shall take effect as if enacted on the date on which the covered period began. 170204. Authorization and Appropriation (a) In general There is authorized to be appropriated, and there is hereby appropriated, out of any money in the Treasury not otherwise appropriated, $10,000,000,000, to remain available until expended, for the offices and agencies described in subsection (b) of this section to