Texas Utilities Code - UTIL § 35.006. Rules Related to Wholesale Transmission Service, Rates, and Access

(1) must be consistent with the standards in this subchapter;

(2) may not be contrary to federal law, including any applicable decision, rule, or policy statement of a federal regulatory agency having jurisdiction;

(3) must require transmission services that are not less than the transmission services the Federal Energy Regulatory Commission may require in similar circumstances;

(4) must require that an electric utility provide all ancillary services associated with the utility's discounted wholesale sales at the same prices and under the same terms as the services are provided to a third person;  and

(5) must require that an electric utility provide all ancillary services associated with the utility's discounted wholesale sales to a third person on request.