831.903—Conditions for coverage in primary positions.
        
        (a) 
         An employee's service in a position that has been determined by the employing agency head to be a primary law enforcement officer or firefighter position is covered under the provisions of 5 U.S.C. 8336(c).
    
    
        
        (b) 
         An employee who is not in a primary position, nor covered while in a secondary position, and who is detailed or temporarily promoted to a primary position is not covered under the provisions of 5 U.S.C. 8336(C)