Yes, the CBCA must receive a request for review from the TSP within six months (not including times of war) from the date the settlement action was taken or within the periods of limitation specified in 31 U.S.C. 3726 , as amended, whichever is later. Details regarding where and how to file are available at cbca.gov/howto/rules/transportation.html#transportation.
41 C.F.R. §102-118.655