376.20—Does this part apply to me?
         This part and, through this part, pertinent portions of the OMB guidance in subparts A through I of  2 CFR part 180 (see table at  2 CFR 180.100(b) ), apply to you if you are a—
    
    
        
        (a) 
         Participant or principal in a “covered transaction” under subpart B of  2 CFR part 180, as supplemented by this part, and the definition of nonprocurement transaction” at  2 CFR 180.970.
    
    
    
    
        
        (d) 
         HHS grants officer, agreements officer, or other HHS official authorized to enter into any type of nonprocurement transaction that is a covered transaction.