Chapter 15b. Natural Gas 15 U.S. Code §717. Regulation of natural gas companies 15 U.S. Code §717a. Definitions 15 U.S. Code §717b-1. State and local safety considerations 15 U.S. Code §717b. Exportation or importation of natural gas; LNG terminals 15 U.S. Code §717c-1. Prohibition on market manipulation 15 U.S. Code §717c. Rates and charges 15 U.S. Code §717d. Fixing rates and charges; determination of cost of production or transportation 15 U.S. Code §717e. Ascertainment of cost of property 15 U.S. Code §717f. Construction, extension, or abandonment of facilities 15 U.S. Code §717g. Accounts; records; memoranda 15 U.S. Code §717h. Rates of depreciation 15 U.S. Code §717i. Periodic and special reports 15 U.S. Code §717j. State compacts for conservation, transportation, etc., of natural gas 15 U.S. Code §717k. Officials dealing in securities 15 U.S. Code §717l. Complaints 15 U.S. Code §717m. Investigations by Commission 15 U.S. Code §717n. Process coordination; hearings; rules of procedure 15 U.S. Code §717o. Administrative powers of Commission; rules, regulations, and orders 15 U.S. Code §717p. Joint boards 15 U.S. Code §717q. Appointment of officers and employees 15 U.S. Code §717r. Rehearing and review 15 U.S. Code §717s. Enforcement of chapter 15 U.S. Code §717t-1. Civil penalty authority 15 U.S. Code §717t-2. Natural gas market transparency rules 15 U.S. Code §717t. General penalties 15 U.S. Code §717u. Jurisdiction of offenses; enforcement of liabilities and duties 15 U.S. Code §717v. Separability 15 U.S. Code §717w. Short title 15 U.S. Code §717x. Conserved natural gas 15 U.S. Code §717y. Voluntary conversion of natural gas users to heavy fuel oil 15 U.S. Code §717z. Emergency conversion of utilities and other facilities