14 CFR Part 382 Nondiscrimination on the Basis of Disability in Air Travel (Air Carrier Access Act) (with amendments issued through May 2016)

(5) You must ensure that all personnel who are required to receive training receive refresher training on the matters covered by this section, as appropriate to the duties of each employee, as needed to maintain proficiency. You must develop a program that will result in each such employee receiving refresher training at least once every three years. The program must describe how employee proficiency will be maintained.