102-118.305—Must my agency notify the TSP of any adjustment to the TSP's bill?
Yes, your agency must notify the TSP of any adjustment to the TSP's bill either electronically or in writing within 7 days of receipt of the bill. This notice must refer to the TSP's bill number, agency name, taxpayer identification number, standard carrier alpha code, document reference number, amount billed, amount paid, payment voucher number, complete tender or tariff authority, including item or section number.