§ 8431. Certain transfers to be treated as a separation

(a) For purposes of this subchapter, separation from Government employment includes a transfer from a position that is subject to one of the retirement systems described in subsection (b) to a position that is not subject to any of them.

(b) The retirement systems described in this subsection are—

(1) the retirement system under this chapter;

(2) the retirement system under subchapter III of chapter 83; and

(3) any other retirement system under which individuals may contribute to the Thrift Savings Fund through withholdings from pay.

U.S. Code

§ 8431. Certain transfers to be treated as a separation