(a) Any air carrier or foreign air carrier may provide free or reduced-rate foreign air transportation to any classes of persons specifically named in section 403(b) of the Act or free transportation to those named in Sec. 375.35 of this chapter.
(b) Air carriers and foreign air carriers may offer reduced fares for foreign air transportation to ministers of religion, the elderly, retired, and handicapped passengers, and to attendants required by handicapped passengers, but shall file tariffs for such fares. Carriers may establish reasonable tariff rules to assist in identifying those who qualify for reduced fares.