ALTERATION OF TERMS. All additions, amendments, modifications and variations to this Agreement shall be effectual and binding only if in writing and signed by the duly authorised representatives of the Parties.
Appears in 32 contracts
Samples: Development, Operation and Maintenance Agreement, Development, Operation and Maintenance Agreement, Development, Operation and Maintenance Agreement
ALTERATION OF TERMS. All additions, amendments, modifications and variations to this Agreement shall be effectual and binding only if in writing and signed by the duly authorised authorized representatives of the Parties.
Appears in 8 contracts
Samples: Concession Agreement, Arbitral Award Escrow Account Agreement, Escrow Agreement
ALTERATION OF TERMS. All additionsaddition, amendments, modifications and variations to this Agreement shall be effectual and binding only if in writing and signed by the duly authorised representatives authorized representative of the Parties.
Appears in 4 contracts
Samples: Concession Agreement, Concession Agreement, Substitution Agreement
ALTERATION OF TERMS. All additions, amendments, modifications and variations to this Agreement shall be effectual and binding only if in writing and signed by the duly authorised authorized representatives of the Parties.
Appears in 3 contracts
Samples: Concession Agreement, Substitution Agreement, Vesting Certificate
ALTERATION OF TERMS. All additions, amendments, modifications and variations to this the Substitution Agreement shall be effectual and binding only if in writing and signed by the duly authorised representatives of the Parties.
Appears in 2 contracts
Samples: Escrow Agreement, Development Agreement
ALTERATION OF TERMS. i. All additions, amendments, modifications and variations to this Agreement shall be effectual and binding only if in writing and signed by the duly authorised representatives of the Parties.
Appears in 1 contract
Samples: Concession Agreement
ALTERATION OF TERMS. All additions, amendments, modifications and variations to this Agreement shall be effectual and binding if only if they are in writing and signed by the duly authorised representatives of the Parties.
Appears in 1 contract
Samples: Concession Agreement
