309.20—Who submits a Tribal IV-D program application and where?
        
        (a) 
         The authorized representative of the Tribe or Tribal organization must  sign and submit the Tribal IV-D program application.
    
    
        
        (b) 
         Applications must be submitted to the Office of Child Support Enforcement, Attention: Tribal Child Support Enforcement Program, 370 L'Enfant Promenade, SW., Washington, DC 20447, with a copy to the appropriate regional office.