Mo. Rev. Stat. § 173.150: Recovery of loans.

The board, by rules and regulations, shall determine the policy of collections and recovery of loans, including the use of private collection agencies or assigning loans to the United States Secretary of Education. Pursuant to the rules and regulations of the board the department may institute action to recover any amount due the program in any loan transaction, use private collection agencies, or otherwise carry out the policy set by the board.