294.81—Local traffic prohibited.
        
        (a) 
         Except as set forth in paragraph (b) of this section or  § 294.60, a registrant shall not carry passengers, cargo, or mail between two or more United States points for compensation or hire.
    
    
        
        (b) 
         A registrant may grant stopover privileges at any point or points in the United States to passengers and their accompanied baggage as part of a single continuous operation to or from Canada.