(a) The comptroller shall:
(1) accept each deposit, payment, or instrument received under this subchapter; and
(2) safely keep and use the money only for a purpose specified in this subchapter.
(b) Money deposited with the comptroller under this subchapter may not be:
(1) used by or for the benefit of this state or for the benefit of a creditor of this state, except as provided by Section 1207.032; or
(2) commingled with other money.