120.1719—SBA's right to recover from Seller.
         SBA is entitled to recover from Seller any monies paid on SBA's guarantee of a Pool Certificate backed in part by Seller's Pool Loan, plus interest, if SBA in its sole discretion determines that any of the following events has occurred:
    
    
    
        
        (b) 
         Seller has failed to disclose a material fact to SBA regarding a Seller's Pool Loan in a timely manner;
    
    
    
    
        
        (e) 
         SBA has received a written request from Seller to terminate the SBA's guarantee on the Loan Interest in Seller's Pool Loan;