Seller shall not, without prior written consent of SBA, take the following actions with respect to Seller's Pool Loan:
(a) Make or consent to any substantial alteration in the terms (``substantial'' includes, but is not limited to, any changes to the principal amount or interest rate);
(b) Accelerate the maturity;
(c) Sue; or
(d) Waive or release any claim. Guidance on other servicing actions, some of which may need prior SBA approval, is provided in the Guide.