Pub. L. 115-254, div. F, tit. VI, sec. 1461
DEFINITIONS.
SEC. 1461. DEFINITIONS. In this title:(1) Agency.—The term “agency” includes any entity, organizational unit, program, or function.(2) Transition period.—The term “transition period” means the period—(A) beginning on the date of the enactment of this Act; and(B) ending on the effective date of the reorganization plan required by section 1462(e).132 STAT. 3511