5 U.S. Code § 9812 - Annual leave enhancements
(a) In this section—
(1) the term “newly appointed employee” means an individual who is first appointed—
(B) as an employee of the Federal Government following a break in service of at least 90 days after that individual’s last period of Federal employment, other than—
(i) employment under the Student Educational Employment Program administered by the Office of Personnel Management;
(iii) employment under a short-term temporary appointing authority while a student during periods of vacation from the educational institution at which the student is enrolled;
(iv) employment under a provisional appointment if the new appointment is permanent and immediately follows the provisional appointment; or
(2) the term “period of qualified non-Federal service” means any period of service performed by an individual that—
(A) was performed in a position the duties of which were directly related to the duties of the position in the Administration which that individual will fill as a newly appointed employee; and
(B) except for this section, would not otherwise be service performed by an employee for purposes of section 6303; and
(1) For purposes of section 6303, the Administrator may deem a period of qualified non-Federal service performed by a newly appointed employee to be a period of service of equal length performed as an employee.
(1) Notwithstanding section 6303 (a), the annual leave accrual rate for an employee of the Administration in a position paid under section 5376 or 5383, or for an employee in an equivalent category whose rate of basic pay is greater than the rate payable at GS–15, step 10, shall be 1 day for each full biweekly pay period.