1290.103—Who may file an appeal?
        
        (a) 
         If you receive an order that adversely affects you or your lessee, you may appeal that order except as provided under  § 1290.104.
    
    
        
        (b) 
         If you are a lessee and you receive a Notice of Order, and if you contest the order, you may either appeal the order or join in your designee's appeal under  § 1290.106.