TRS shall keep records identifying all persons or entities liable for delinquent obligations and the correct physical address of the obligor's business and/or residence, if available. Such records should also contain collection histories on each obligor showing, where applicable, attempted contacts with the obligor; efforts to locate the obligor; efforts to locate the assets of the obligor and the results of such efforts; state warrants that may be issued to the obligor; security interests that TRS has against any assets of the obligor; and any other information considered by TRS to be relevant.
34 Tex. Admin. Code § 49.5