105 STAT. 236 PUBLIC LAW 102-40—MAY 7, 1991 "(2) The hourly rate of basic pay for such a nurse for service performed as part of a regularly scheduled 12-hour tour of duty within the period commencing at midnight Friday and ending at midnight the following Sunday shall be derived by dividing the nurse's annual rate of basic pay by 1,248. "(3)(A) Such a nurse who performs a period of service in excess of such nurse's regularly scheduled two 12-hour tours of duty is entitled to overtime pay under section 7453(e) of this title, or other applicable law, for officially ordered or approved service performed in excess of eight hours on a day other than a Saturday or Sunday or in excess of 24 hours within the period commencing at midnight Friday and ending at midnight the following Sunday. "(B) Except as provided in subparagraph (C), a nurse to whom this subsection is applicable is not entitled to additional pay under section 7453 of this title, or other applicable law, for any period included in a regularly scheduled 12-hour tour of duty. "(C) If the Secretary determines it to be further necessary in order to obtain or retain the services of nurses at a particular facility, a nurse to whom this paragraph is applicable who performs service in excess of such nurse's regularly scheduled two 12-hour tours of duty may be paid overtime pay under section 7453(e) of this title, or other applicable law, for all or part of the hours of officially ordered or approved service performed by such nurse in excess of 40 hours during an administrative workweek. "(c) A nurse described in subsection (b)(1) who is absent on approved sick leave or annual leave during a regularly scheduled 12- hour tour of duty shall be charged for such leave at a rate of five hours of leave for three hours of absence. Regulations. "(d) The Secretary shall prescribe regulations for the implementation of this section. "§ 7457. On-call pay "(a) The Secretary may pay an employee to whom this section applies pay at the rate provided in section 7453(h) of this title except for such time as the employee may be called back to work. "(b) This section applies to an employee who meets each of the following criteria: "(1) The employee is employed in a position listed in paragraph (3) of section 7401 of this title or meets the criteria specified in clauses (i), (ii), and (iii) of section 7455(a)(2)(B) of this title. "(2) The employee is employed in a work unit for which oncall premium pay is authorized. "(3) The employee is officially scheduled to be on call outside such employee's regular hours or on a holiday designated by Federal statute or Executive order. "(c) An employee who is eligible for on-call pay under subsection (a) and who was receiving standby premium pay pursuant to section 5545 of title 5 on May 20, 1988, shall, as long as such employee is employed in the same position and work unit and remains eligible for such standby pay, receive pay for any period of on-call duty at the rate equal to the greater of— "(1) the rate of pay which such employee would receive if being paid the rate of standby pay pursuant to such section that such individual would be entitled to receive if such individual were not scheduled to be on call instead, or
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