74.73—Collection of amounts due.
        
        (a) 
         Any funds paid to a recipient in excess of the amount to which the recipient is finally determined to be entitled under the terms and conditions of the award constitute a debt to the Federal Government. If not paid within a reasonable period after the demand for payment, the HHS awarding agency may reduce the debt by paragraph (a) (1), (2), or (3) of this section:
    
    
    
    
    
        
        (b) 
         Except as otherwise provided by law, HHS awarding agencies will charge interest on an overdue debt in accordance with 4 CFR ch. II, “Federal Claims Collection Standards.” (See  45 CFR part 30.)