(a) Tariff rules and regulations governing passenger fares and services other than those subject to §221.30 may be filed electronically in conformity with subpart R. Such filings shall conform to criteria approved by the Department's Office of International Aviation as provided in §221.180 and shall contain at a minimum the information required by §221.202(b)(9).

(b) Applications for special tariff permission may be filed electronically, as provided in §221.212.

(c) Tariff publications and applications for special tariff permission covered by paragraphs (a) and (b) of this section may be filed in a paper format, subject to the requirements of this part and Department orders.