Texas Government Code, 2155.263-270 Proprietary Proprietary Proprietary Proprietary Texas Government Code, 2155.263-270 Proprietary Government Code – General Rules and Procedures Proprietary Texas Government Code, 2155.263-270 Texas Government Code, 2155.263-270 Proprietary Proprietary Proprietary Proprietary Texas Government Code, Section 2155.083 Proprietary Proprietary Proprietary Texas TGC 2155.076 Texas Government Code, 2155.263-270 Texas Government Code, 2155.263-270