(b) Notice of pendency of request. As soon as practicable after receiving a request for approval of a plan amendment containing all the information required under
§ 4203.4, the PBGC shall publish a notice of the pendency of the request in the
Federal Register. The notice shall contain a summary of the request and invite interested persons to submit written comments to the PBGC concerning the request. The notice will normally provide for a comment period of 45 days.