90.135—Modification of license.
        
        (a) 
         In addition to those changes listed in  § 1.929(k) of this chapter and in accordance with  § 1.947 of this chapter the following modifications may be made to an existing authorization without prior Commission approval:
    
    
        
        (1) 
         Change in the number and location of station control points or of control stations operating below 470 or above 800 MHz meeting the requirements of  § 90.119(b).
    
    
    
        
        (b) 
         Unless specifically exempted in  § 90.175, licensees must submit a Form 601 application for modification to the applicable frequency coordinator for any change listed in  § 1.929(c)(4) of this chapter.
    
    [65 FR 60875, Oct. 13, 2000]