1. Short title This Act may be cited as the Protecting Natural Gas Consumers from Overcharges Act of 2020 . 2. Fixing rates and charges, refund effective date Section 5(a) of the Natural Gas Act ( 15 U.S.C. 717d(a) ) is amended— (1) by striking Whenever and inserting (1) Whenever ; (2) by striking had and inserting held ; and (3) by adding at the end the following: (2) Any complaint or motion of the Commission to initiate a proceeding under this subsection shall state the change or changes to be made to the rate, charge, classification, rule, regulation, practice, or contract in force, and the reasons for any proposed change or changes therein. (3) If, after review of any motion or complaint and answer under this subsection, the Commission shall decide to hold a hearing, it shall— (A) fix by order the time and place of such hearing; and (B) specify the issues to be adjudicated. (4) Whenever the Commission institutes a proceeding under this subsection, the Commission shall establish a refund effective date as follows: (A) In the case of a proceeding instituted on complaint, the refund effective date shall not be earlier than the date of the filing of such complaint nor later than 5 months after the filing of such complaint. (B) In the case of a proceeding instituted by the Commission on its own motion, the refund effective date shall not be earlier than the date of the publication by the Commission of notice of its intention to initiate such proceeding nor later than 5 months after the publication date. (5) Upon institution of a proceeding under this subsection, the Commission shall give to the decision of such proceeding the same preference as provided under section 4 and otherwise act as speedily as possible. (6) If no final decision is rendered by the conclusion of the 180-day period commencing upon initiation of a proceeding pursuant to this subsection, the Commission shall— (A) state the reasons why it has failed to render such decision