; (C) an active link to the internet website of the Aviation Consumer Protection Division for a consumer to file a disability-related complaint; and (D) a notice that the consumer can file a disability-related complaint with the air carrier or foreign air carrier and the process and any timelines for filing such a complaint. (3) Investigation of complaints (A) In general The Secretary shall— (i) 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; (ii) provide, in writing, to the individual that filed the complaint and the air carrier or foreign air carrier alleged to have violated this section or a regulation prescribed under this section, the determination of the Secretary with respect to— (I) whether the air carrier or foreign air carrier violated this section or a regulation prescribed under this section; (II) the facts underlying the complaint; and (III) any action the Secretary is taking in response to the complaint