the compensation of the executive director and other personnel without regard to chapter 51 and subchapter III of chapter 53 of title 5, United States Code, relating to classification of positions and General Schedule pay rates, except that the rate of pay for the executive director and other personnel may not exceed the rate payable for level V of the Executive Schedule under section 5316 of such title. (iii) Detail of government employees Any Federal Government employee may be detailed to the Commission without reimbursement, and such detail shall be without interruption or loss of civil service status or privilege. (iv) Procurement of temporary and intermittent services The Chairman of the Commission may procure temporary and intermittent services under section 3109(b) of title 5, United States Code, at rates for individuals which do not exceed the daily equivalent of the annual rate of basic pay prescribed for level V of the Executive Schedule under section 5316 of such title. (4) Recommendations and regulations on funding and distribution requirements (A) In general After taking into consideration the recommendations of the Commission and providing the public notice and an opportunity for comment, the Secretary shall promulgate regulations with respect to funding and distribution requirements for USA Retirement Funds, as necessary or appropriate in the public interest and for the protection of participants and beneficiaries, including regulations described in subparagraphs (B) and (C). (B) Requirements relating to annuity payments made directly by a Fund The regulations under subparagraph (A) shall provide that in the case of annuity payments made directly by the Fund— (i) the maximum annuity payment for a participant or beneficiary shall be determined using the mortality tables and interest rates prescribed by the Secretary under subparagraph (C) at the time benefits commence