recall
(4) the term “recall” means the dispatch of a notice by a passenger air carrier or a contractor, via mail, courier, or electronic mail, to an involuntarily furloughed employee notifying the employee that— (A) the employee must, within a specified period of time, elect either— (i) to return to employment or bypass return to employment, in accordance with an applicable collective bargaining agreement or, in the absence of a collective bargaining agreement, company policy; or (ii) to permanently separate from employment with the passenger air carrier or contractor; and (B) failure to respond within such time period specified shall be considered an election under subparagraph (A)(ii);