Variation or Waiver. 51.1 No variation of this Agreement shall be effective unless in writing and signed by or on behalf of each of the Parties.
Appears in 4 contracts
Samples: Manufacturing and Supply Agreement (Alcon Inc), Manufacturing and Supply Agreement (Alcon Inc), Manufacturing and Supply Agreement (Alcon Inc)
Variation or Waiver. 51.1 16.5.1 No variation of this Agreement shall be effective unless in writing and signed by or on behalf of each of the Partiesparties.
Appears in 4 contracts
Samples: Sale and Purchase Agreement (Glaxosmithkline PLC), Share and Business Sale Agreement (Glaxosmithkline PLC), Sale and Purchase Agreement (Novartis Ag)