1. Short title This Act may be cited as the Maintaining Important Distance During Lengthy Epidemics Act of 2020 or the MIDDLE Act of 2020 . 2. Promoting airline passenger safety during the COVID–19 public health emergency (a) In general Subject to subsection (b), during the period beginning on the date that is 14 days after the date of the enactment of this Act and ending on the last day of the emergency period described in section 1135(g)(1)(B) of the Social Security Act ( 42 U.S.C. 1320b–5(g)(1)(B) ), an air carrier (as defined in section 40102 of title 49, United States Code) shall be prohibited from doing any of the following: (1) Permit adjacent seats to be filled on a passenger aircraft. (2) Pass along the cost of any seat switch undertaken by an air carrier in order to comply the prohibition under paragraph (1). (3) Permit a passenger or crewmember to board a passenger aircraft if the passenger or crewmember is not wearing a mask. (b) Exceptions Not later than 14 days after the date of the enactment of this Act, taking into account the provisions of the Rehabilitation Act of 1973 ( 29 U.S.C. 701 et seq.), the Americans with Disabilities Act of 1990 ( 42 U.S.C. 12101 et seq.), section 41705 of title 49, United States Code (commonly referred to as the Air Carrier Access Act ), and any Federal health guidance from the Department of Health and Human Services (including guidance related to the COVID–19 public health emergency), the Administrator of the Federal Aviation Administration, in consultation with the Secretary of Health and Human Services (acting through the Director of the Centers for Disease Control and Prevention), shall issue guidance that provides for appropriate exceptions to the prohibitions under paragraphs (1) and (3) of subsection (a). (c) Nondiscrimination In carrying out the provisions of this section, an air carrier may not discriminate against any person on the basis of race, color, religion, genetic information, national origin, age, disability, or sex (including sexual orientation and