; (B) has the necessary equipment, in good repair, to maintain proper operational control of each flight of the air carrier at all times; and (C) includes the presence of physical security and cybersecurity protections to prevent unauthorized access to the dispatch center or flight following center or to the operations of either such center. (d) Prohibition (1) In general Except as provided in paragraph (2), an air carrier may not dispatch aircraft from any location other than the dispatch center or flight following center of the air carrier. (2) Emergency authority In the event of an emergency or other event that renders a dispatch center or a flight following center inoperable, an air carrier may dispatch aircraft from a location other than the dispatch center or flight following center of the air carrier for a period of time not to exceed 14 consecutive days per location without approval of the Administrator. . (2) Clerical amendment The analysis for chapter 447 of such title is further amended by adding at the end the following: 44748. Aircraft dispatching. . 421. Crewmember pumping guidance (a) In general Not later than 180 days after the date of enactment of this Act, the Administrator shall issue guidance to part 121 air carriers relating to the expression of milk by crewmembers on an aircraft during noncritical phases of flight, consistent with the performance of the crewmember's duties aboard the aircraft. The guidance shall be equally applicable to any lactating crewmember. In developing the guidance, the Administrator shall— (1) consider multiple methods of expressing breast milk that could be used by crewmembers, including the use of wearable lactation technology; and (2) ensure the guidance will not require an air carrier or foreign air carrier to incur significant expense, such as through— (A) the addition of an extra crewmember in response to providing a break; (B) removal or retrofitting of seats on the aircraft