; and (3) take into consideration any third-party entity that assisted in the preparation of an application for an air carrier certificate under part 135 of title 14, Code of Federal Regulations. (c) Congressional briefing Beginning 6 months after the date of enactment of this Act, and not less than every 6 months thereafter until the Administrator complies with the requirements under subsection (a)(2), the Administrator shall provide a briefing to appropriate committees of Congress on the status of the backlog of air carrier certificate applications under part 135 of title 14, Code of Federal Regulations, any measures the Administrator has put in place under subsection (b). 819. Enhancing processes for authorizing aircraft for service in commuter and on-demand operations (a) Establishment of working group (1) In general Not later than 180 days after the date of enactment of this Act, the Administrator shall establish a part 135 aircraft conformity working group (in this section referred to as the Working Group ). (2) Requirements The Working Group shall study methods and make recommendations to clarify requirements and standardize the process for conducting and completing aircraft conformity processes in a timely manner for existing operators and air carriers operating aircraft under part 135 and entering such aircraft into service. (b) Membership The Working Group shall be comprised of representatives of the FAA, existing operators and air carriers operating aircraft under part 135, associations or trade groups representing such operators or air carriers, and, as appropriate, labor groups representing employees of air carriers operating under part 135. (c) Duties The Working Group shall consider all aspects of the FAA processes as of the date of enactment of this Act for ensuring aircraft conformity and make recommendations to enhance such processes, including with respect to— (1) methodologies for air carriers and operators to document and attest to aircraft conformity in accordance with the requirements of