; and (C) the costs of design, installation, equipage, and aircraft capacity impacts, including partial fleet equipage and fare impacts. (d) Visual and tactilely accessible announcements The Advisory Committee established under section 439 of the FAA Reauthorization Act of 2018 ( 49 U.S.C. 41705 note) shall examine technical solutions and the feasibility of visually and tactilely accessible announcements on-board aircraft. (e) Airport facilities Not later than 2 years after the date of enactment of this Act, the Secretary shall, in direct consultation with the Access Board, prescribe regulations setting forth minimum standards under section 41705 of title 49, United States Code, that ensure all gates (including counters), ticketing areas, and customer service desks covered under such section at airports are accessible to and usable by all individuals with disabilities, including through the provision of visually and tactilely accessible announcements and full and equal access to aural communications. (f) Definitions In this section: (1) Access Board The term Access Board means the Architectural and Transportation Barriers Compliance Board. (2) Air carrier The term air carrier has the meaning given such term in section 40102 of title 49, United States Code. (3) Individual with a disability The term individual with a disability has the meaning given such term in section 382.3 of title 14, Code of Federal Regulations. (4) Foreign air carrier The term foreign air carrier has the meaning given such term in section 40102 of title 49, United States Code. 549. Investigation of complaints Section 41705(c) of title 49, United States Code, is amended by striking paragraph (1), and inserting the following: (1) In general The Secretary shall— (A) not later than 120 days after the receipt of any complaint of a violation of this section or a regulation prescribed under this section, investigate such complaint