Civilian service
Civilian service means:
(1) Any non-military service that is creditable under either 5 U.S.C. chapter 83, subchapter III, or 5 U.S.C. 8411. However, that service is to be determined without regard to any time limitations, any deposit or redeposit requirements contained in those statutory provisions after performing the service involved, or any requirement that the individual give written notice of that individual's desire to become subject to the retirement system established by 5 U.S.C. chapters 83 or 84; or
(2) Any military service creditable under the provisions of 5 U.S.C. 8432b(h)(1) and the regulations at 5 CFR part 1620, subpart H.