19.350—What must I do if I learn of information required under § 19.335 after entering into a covered transaction with the Department of the Treasury?
         At any time after you enter into a covered
 transaction, you must give immediate written
 notice to the Department of the Treasury office
 with which you entered into the transaction if you
 learn either that—
    
    
    
        
        (b) 
         Due to changed circumstances, you or any of
 the principals for the transaction now meet any of
 the criteria in  § 19.335.