Neither this Agreement nor any of its terms or provisions may be amended, modified, changed, waived or discharged, except (and subject to the final sentence of this Section 20.2.8 ): (a) for the avoidance of doubt, for Manager’s right to make changes to the Total Rewards Program and Centralized Services as and to the extent expressly permitted under this Agreement, (b) as between Manager and Tenant, as set forth in Sections 5.1.7 , 5.12 and 10.4 and (c) by an instrument in writing signed by each Party hereto. Notwithstanding the foregoing or anything otherwise contained in this Agreement, for as long as the indebtedness secured by the Existing Landlord’s Lender remains outstanding (or for so long as any Landlord Financing Documents prohibit modification of this Agreement absent the applicable Landlord’s Lender’s consent), no modification of any nature of this Agreement pursuant to this Section 20.2.8 (in the case of any Landlord’s Lender other than the Existing Landlord’s Lender, to the extent such modification requires such Landlord’s Lender’s consent under such Landlord Financing Documents) shall be permitted absent Landlord’s express written consent, and any purported modification as to which Landlord shall not have consented expressly in writing shall be void ab initio .