AUTHORITY TO MODIFY. No modification or change in this Contract, no waiver of any of its provisions or any additional contractual relationship of any kind with the Contractor shall be valid and enforceable against UNESCO unless provided by an amendment to this Contract signed by the authorized official of ▇▇▇▇▇▇.
Appears in 4 contracts
Sources: Contract for Services, Contract for Services (Video and Film), Contract for Services
AUTHORITY TO MODIFY. No modification or change in this Contract, no waiver of any of its provisions or any additional contractual relationship of any kind with the Contractor shall be valid and enforceable against UNESCO unless provided by an amendment to this Contract signed by the authorized official of ▇▇▇▇▇▇UNESCO.
Appears in 3 contracts
Sources: Contract for Services, Contract for Services, Contract for Services