This subpart applies only to the investment of future deposits to the TSP core funds, including contributions, loan payments, and rollovers from traditional IRAs and eligible employer plans; it does not apply to fund reallocations or fund transfers within the TSP core funds, which is covered in subpart C of this part, or fund transfers to and from the mutual fund window, which is covered in subpart F of this part.
5 C.F.R. §1601.11