; and (2) by striking paragraph (3) and inserting the following: (3) Renewal of exemptions (A) In general Except as provided in subparagraph (B), the Secretary may renew an exemption (including renewals) under this subsection for not more than 30 days. (B) Exception The Secretary may renew an exemption (including renewals) under this subsection that is necessary to provide and sustain air transportation in American Samoa between the islands of Tutuila and Manu’a for not more than 180 days. (4) Continuation of exemptions An exemption granted by the Secretary under this subsection may continue for not more than 5 days after the unusual circumstances that established the need for the exemption cease. . 403. Cell phone voice communication ban (a) In general Subchapter I of chapter 417 of title 49, United States Code, is amended by adding at the end the following: 41725. Prohibition on certain cell phone voice communications (a) Prohibition The Secretary of Transportation shall issue regulations— (1) to prohibit an individual on an aircraft from engaging in voice communications using a mobile communications device during a flight of that aircraft in scheduled passenger interstate or intrastate air transportation; and (2) that exempt from the prohibition described in paragraph (1) any— (A) member of the flight crew on duty on an aircraft; (B) flight attendant on duty on an aircraft