Annual period
Annual period means a 1-year period that begins on the first day of the first pay period beginning on or after January 1 of a given year and ends on the day before the first day of the first pay period beginning on or after January 1 of the next year. The term year in 5 U.S.C. 5550(1)(A) and (C) and the term leave year in 5 U.S.C. 5542(g)(5)(A) are interpreted to be an annual period as defined here.