(a) The comptroller shall invest in accordance with the investment standard described by § 404.024(j), Government Code, the portion of the trust fund balance that exceeds the amount of the sufficient balance determined under Subsection (b). The comptroller’s investment of that portion of the balance is not subject to any other limitation or other requirement provided by § 404.024, Government Code.
(b) At least once each 12-month period, the board of directors shall determine a balance for the trust fund that the board considers to be sufficient to meet the cash flow requirements of the fund in funding the payment of insured losses as provided by § 2210.452(a). After determining that sufficient balance, the board shall provide notice of the sufficient balance to the comptroller.

(c) Not later than the 30th day after the date the board of directors provides notice of the sufficient balance determined under Subsection (b), the comptroller shall adjust the investment portfolio of trust fund money to ensure that only the portion of the fund that exceeds the sufficient balance is invested as required by Subsection (a).
(d) The comptroller shall include the fair market value of the investment portfolio of the trust fund in calculating the amount in the fund for purposes of this chapter.