1. Short title This Act may be cited as the Small Refinery Exemption Fairness Act of 2019 . 2. Accounting for full volume of gasoline and diesel produced by exempted small refineries (a) In general Section 211(o)(3) of the Clean Air Act ( 42 U.S.C. 7545(o)(3) ) is amended— (1) in subparagraph (C)— (A) in clause (i), by striking and at the end; (B) in clause (ii), by striking the period at the end and inserting ; and ; and (C) by adding at the end the following new clause: (iii) to account for the full average annual volume of gasoline and diesel produced during the previous three calendar years by small refineries exempt under paragraph (9). ; and (2) by adding at the end the following new subparagraph: (D) Calculation method For purposes of subparagraph (C)(iii), the Administrator shall calculate the full average annual volume of gasoline and diesel produced during the previous three calendar years by small refineries exempt under paragraph (9) by— (i) determining the total volume of gasoline and diesel produced during the previous three calendar years by such small refineries; and (ii) dividing such total volume by three. . (b) Applicability The amendment made by subsection (a) applies to the renewable fuel obligation under section 211(o) of the Clean Air Act ( 42 U.S.C. 7545(o) ) beginning with calendar year 2020. Section 211(o) of such Act, as in effect before the amendment made by subsection (a), shall continue to apply with respect to calendar years before calendar year 2020. (c) Rule of construction Nothing in this section and the amendment made by this section shall be construed to set or require a minimum number of exemptions for small refineries under section 211(o) of the Clean Air Act ( 42 U.S.C. 7545(o) ) with respect to any calendar year.