; (2) to address a medical need that justifies temporary removal of the mask or face covering; (3) to don a supplemental oxygen mask in the event of a reduction in the pressure altitude inside the cabin of an aircraft; or (4) for another reason identified by the Administrator in a regulation issued pursuant to this section. (d) Responsibilities to individuals with disabilities (1) Relationship to other laws Nothing in this section shall be construed to abridge any right, or excuse the performance of any duty, arising under section 41705 of this title or regulations promulgated pursuant to such section, including the duty of an air carrier to assist passengers covered under such section. (2) Additional duties of air carriers Each air carrier shall require employees and contractors of such air carrier to provide assistance to an individual described in section 41705(a) who requires such assistance— (A) in donning or removing a mask or face covering required under subsection (a); (B) in disinfecting or sanitizing an aisle chair, an airport push chair, or personal mobility aid or other device, if such personal mobility aid or other device was tendered to the air carrier for a flight and delivered to the individual after the flight’s arrival; (C) in taking any other reasonable measures, consistent with any applicable guidelines of the Centers for Disease Control and Prevention, necessary for the individual to reduce the chance of infection with an airborne disease