The rate of pay for a position established under paragraph (1) may not exceed the rate of pay payable for level III of the Executive Schedule under section 5314 of title 5.

To the maximum extent practicable, the Secretary shall appoint persons under paragraph (1)(B) to the positions established under paragraph (1)(A) in accordance with the merit system principles set forth in section 2301 of such title.

The Secretary shall enter into an agreement with the Director of the Office of Personnel Management under which agreement the Director shall periodically evaluate the use of the authority set forth in subsection (a)(1). The Secretary shall reimburse the Director for evaluations conducted by the Director pursuant to the agreement. Any such reimbursement shall be credited to the revolving fund referred to in section 1304(e) of title 5.

If the Director determines as a result of such evaluation that the Secretary of Energy is not appointing persons to positions under such authority in a manner consistent with the merit system principles set forth in section 2301 of title 5 or is setting rates of pay at levels that are not appropriate for the qualifications and experience of the persons appointed and the duties of the positions involved, the Director shall notify the Secretary and Congress of that determination.

The authority provided under subsection (a)(1) shall terminate on September 30, 2036.

An employee may not be separated from employment with the Department of Energy or receive a reduction in pay by reason of the termination of authority under paragraph (1).