This Master Agreement may only be amended in writing signed by both Borrower and Lender except that Lender may unilaterally waive conditions or provisions favorable to it by giving Borrower notice of such waiver in a manner consistent with Section 13.1 above. If a Borrower is a partnership, joint venture or similar entity, and the composition of the entity changes, then a new member or partner of the entity may be added to and bound by this Master Agreement without the consent of the other Borrowers. Notwithstanding the foregoing, the addition or deletion of a Borrower shall not result in a change of any of the authorizations contained herein unless all of the Borrowers consent.