323.6—General requirements for notices.
        
        (a) 
         Each notice filed under this part shall, unless otherwise specified, conform to the procedural rules of general applicability in subpart A of  part 302 of this chapter.
    
    
        
        (b) 
         Each notice filed under this part shall be titled to indicate the place(s) involved, and to indicate whether it is a 30-, 60-, or 90-day notice and whether it involves a termination, a suspension, or a reduction of air transportation.