Texas Government Code - GOV'T § 825.306. Crediting System Assets

(a) The assets of the retirement system shall be maintained and reported in a manner that reflects the source of the assets or the purpose for which the assets are held, using appropriate ledgers and subledgers, in accordance with generally accepted accounting principles prescribed by the Governmental Accounting Standards Board or its successor.  In addition, the maintenance and reporting of the assets must be in compliance with applicable tax law and consistent with any fiduciary duty owed with respect to the trust.  In the alternative, the assets may be credited, according to the purpose for which they are held, to one of the following accounts:

(b) Notwithstanding any other law, a requirement to deposit in or transfer assets from one of the accounts described under Subsection (a) is satisfied by maintaining and reporting the assets in accordance with that subsection.