Section 1655.6 - Amount of loan(a)Minimum amount. The initial principal amount of any loan may not be less than $1,000.(b)Maximum amount. The principal amount of a new loan must be less than or equal to the smallest of the following:(1) The portion of the participant's individual account balance that is attributable to employee contributions and attributable earnings (not including any outstanding loan principal);(2) 50 percent of the participant's vested account balance that is attributable to employee contributions and attributable earnings (including any outstanding loan balance) or $10,000, whichever is greater, minus any outstanding loan balance; or(3) $50,000 minus the participant's highest outstanding loan balance (if any) during the last 12 months.(c) If a participant has both a civilian TSP account and a uniformed services TSP account, the maximum loan amount available will be based on a calculation that takes into consideration the account balances and outstanding loan balances for both accounts.(d) Any amount invested through the mutual fund window at the time the participant makes a loan request will not be considered for purposes of determining either the minimum or maximum loan amounts.68 FR 35515, June 13, 2003, as amended at 87 FR 31692, May 24, 2022