; (3) the term incumbent means an individual who— (A) was appointed as a law enforcement officer before the date of enactment of this Act; and (B) is serving as a law enforcement officer on the date of enactment of this Act; (4) the term law enforcement officer means an individual who satisfies the requirements of section 8331(20) or 8401(17) of title 5, United States Code, by virtue of the amendments made by this section; (5) the term prior service means, with respect to an incumbent who makes an election under subsection (c)(2), service performed by the incumbent before the date on which appropriate retirement deductions begin to be made under the election; and (6) the term service means service performed by an individual as a law enforcement officer. (b) Civil Service Retirement System (1) In general Title 5, United States Code, is amended— (A) in section 8331(20), in the matter preceding subparagraph (A)— (i) by inserting (or who is described in section 8401(17)(E)) after criminal laws of the United States ; and (ii) by inserting (or who is so described) after engaged in this activity ; and (B) in section 8401(17)— (i) in subparagraph (C)— (I) by striking subparagraph (A) and (B) and inserting subparagraph (A), (B), or (E) ; and (II) by striking and at the end; (ii) in the flush text following subparagraph (D)(iii), by adding and after the semicolon at the end; and (iii) by adding at the end the following: (E) an employee of the Department of Veterans Affairs who is a Department police officer under section 902 of title 38, as determined by the Secretary of Veterans Affairs; . (2) Application The amendments made by this subsection shall apply to any— (A) individual who is appointed as a law enforcement officer— (i) as defined in section 8331(20) or 8401(17) of title 5, United States Code, as amended by this subsection; and (ii) on or after the date of enactment of this Act