5 CFR § 1690.14 - Checks made payable to the Thrift Savings Plan.

(a) Accord and satisfaction. The TSP does not agree to accept less than the total amount due by negotiating an instrument such as a check, share draft or money order with a restrictive legend on it (such as “payment in full” or “submitted in full satisfaction of claims”), or by negotiating an instrument that is conditionally tendered to the TSP with an offer of compromise.

(b) TSP payment address. The TSP record keeper has established an address for the receipt of specified TSP payments. The TSP record keeper will not answer correspondence mailed to that payment address.

[70 FR 32218, June 1, 2005, as amended at 87 FR 31696, May 24, 2022]