Provides that the provisions of the Natural Gas Act shall apply to the transportation of natural gas in interstate commerce, to the sale in interstate commerce of natural gas for resale for domestic commercial industrial or other uses, and to natural gas companies engaged in such transportation. States that the Act shall not apply to any other transportation or sale of natural gas, as to the local destruction of natural gas, to the facilities used for such destruction, to the production or gathering of natural gas, or to the sale of natural gas in interstate commerce intended for ultimate public consumption. Limits the power of the Interstate Commerce Commission to change rates and changes that have been set.