; (16) contributions to a college savings account, which may include contributions to a qualified tuition program (as defined in section 529(b)(1)(A) of the Internal Revenue Code of 1986) or other prepaid tuition plan offered by a State; or (17) any other educational expenses approved by the Secretary. (f) Requirements for qualified educational service providers (1) Registration and approval The Secretary shall establish and maintain a registry of qualified educational service providers that are approved to receive payments from a Military Education Savings Account. The Secretary shall approve a qualified educational service provider to receive such payments if the provider demonstrates to the Secretary that it is licensed in the State in which it operates to provide one or more of the services for which funds may be expended under subsection (e). (2) Participation in online marketplace As a condition of receiving funds from a Military Education Savings Account, a qualified educational service provider shall make its services available for purchase through the online marketplace described in subsection (g). (3) Surety bond (A) In general The Secretary shall require each qualified educational service provider that receives $100,000 or more in funds from Military Education Savings Accounts in a school year to post a surety bond, in an amount determined by the Secretary, for such school year. (B) Retention The Secretary shall prescribe the circumstances under which a surety bond under subparagraph (A) may be retained by the Secretary. (g) Online marketplace (1) In general The Secretary shall seek to enter into a contract with a private-sector entity under which the entity shall— (A) establish and operate an online marketplace that enables the holder of a Military Education Savings Account to make direct purchases from qualified educational service providers using funds from such account