Applications for approval of discontinuance or material modification of a signal system authorized by  part 235 or waiver of a requirement of  part 236 of this chapter must be submitted in accordance with  § 211.7, handled in accordance with procedures set forth in  part 235 or 236, respectively, and decided not later than 9 months after receipt. When a decision is issued, the applicant and other interested parties are notified or a notice is published in the Federal Register.
     
    [41 FR 54181, Dec. 13, 1976, as amended at 74 FR 25171, May 27, 2009]