16 Tex. Admin. Code § 25.89
Each electric utility that submits an annual report of loads and resources to the Electric Reliability Council of Texas independent system operator pursuant to §23.70(e) of this title (relating to Terms and Conditions of Open-Access Comparable Transmission Service) or other reliability council shall file a copy with the commission and maintain a copy of supporting documentation for five years. If no such annual report is prepared, the utility shall maintain a record of the load and resource documents prepared in the normal course of its activities for five years.
Source Note:The provisions of this §25.89 adopted to be effective September 8, 1998, 23 TexReg 9039.