Variation. 18.1 No variation of this Agreement will be effective unless made in writing and signed by the Parties or on their behalf.
Appears in 65 contracts
Sources: Service Agreement, Service Agreement, Service Agreement
Variation. 18.1 No variation of this Agreement will shall be effective unless made it is in writing and signed by the Parties or on their behalfbehalf of each of the parties hereto.
Appears in 50 contracts
Sources: Start Up Loan Agreement, Start Up Loan Agreement, Start Up Loan Agreement
Variation. 18.1 No variation of this Agreement will be agreement is effective unless made in writing and signed by the Parties or on their behalfeach party.
Appears in 10 contracts
Sources: Convertible Note Subscription Agreement (Nabors Energy Transition Corp.), Subscription Agreement, Subscription Agreement
Variation. 18.1 25.1 No variation of this Agreement will shall be effective unless made it is in writing and signed by the Parties parties (or on their behalfauthorised representatives).
Appears in 8 contracts
Sources: Terms and Conditions, Training Agreement, Supply Agreement
Variation. 18.1 21.1. No variation of this the Agreement will shall be effective unless made it is in writing and signed by the Parties or on their behalfParties.
Appears in 6 contracts
Sources: General Terms and Conditions for Sale and Purchase of Petroleum Products, General Terms and Conditions for Sale and Purchase of Petroleum Products, General Terms and Conditions for Sale and Purchase of Petroleum Products
Variation. 18.1 No variation of this Agreement will shall be effective unless made in writing and signed by the Parties or on their behalfbehalf of each of the parties.
Appears in 6 contracts
Sources: Commission Agreement, Agreement for the Sale and Purchase (Atmel Corp), Business Sale Agreement (Symmetricom Inc)
Variation. 18.1 No variation of this Agreement will shall be effective unless made in writing and signed by the Parties or on their behalfbehalf of the Parties.
Appears in 5 contracts
Sources: Ip Cross License Agreement (Coty Inc.), Sale and Purchase Agreement (Coty Inc.), Separation Agreement
Variation. 18.1 No amendment or variation of to this Agreement will be effective unless made in writing and signed by the Parties or on their behalfbehalf of each of the parties hereto.
Appears in 5 contracts
Sources: Nia Fellowship Agreement, Nia Fellowship Agreement, Nia Fellowship Agreement
Variation. 18.1 24.1 No variation of this Agreement will shall be effective unless made it is in writing and signed by the Parties parties (or on their behalfauthorised representatives).
Appears in 3 contracts
Sources: Agreement Relating to the Provision of Training Services, Agreement Relating to the Provision of Training Services, Agreement Relating to the Provision of the Ecitb Pre Apprenticeship Programme
Variation. 18.1 25.1 No variation of this Agreement will agreement [or of any of the documents referred to in it] shall be effective unless made it is in writing and signed by the Parties parties (or on their behalfauthorised representatives).
Appears in 3 contracts
Sources: Contract for Services, Contract for Services, Consultancy Agreement
Variation. 18.1 20.1. No variation of this Agreement will agreement shall be effective valid unless made it is in writing and signed by the Parties or on their behalfbehalf of each of the parties.
Appears in 3 contracts
Sources: Consulting Agreement, Consulting Agreement, Consulting Agreement
Variation. 18.1 No variation of this Agreement will shall be effective unless made it is in writing and signed by the Parties (or on their behalfauthorised representatives).
Appears in 3 contracts
Sources: Data Sharing Agreement, Data Sharing Agreement, Data Sharing Agreement
Variation. 18.1 17.1 No variation to the terms of this Agreement will shall be effective unless made in writing and signed by each of the Parties or on their behalfparties and any person who agrees to be bound by this Agreement.
Appears in 3 contracts
Sources: Housing Management Agreement, Housing Management Agreement, Shareholder Agreement
Variation. 18.1 20.1 No variation of this Agreement will shall be effective unless made it is in writing and signed by the Parties parties (or on their behalfauthorised representatives).
Appears in 2 contracts
Sources: Wholesale Supply Agreement, Wholesale Supply Agreement
Variation. 18.1 20.1. No variation of this Agreement will shall be effective unless made it is in writing and signed by the Parties or on their behalfParties.
Appears in 2 contracts
Sources: Services Agreement, Services Agreement
Variation. 18.1 23.1 No variation of this Agreement will be effective valid unless made in writing and signed by the Parties or on their behalfbehalf of each of the parties.
Appears in 2 contracts
Sources: Share Sale and Purchase Agreement, Share Sale and Purchase Agreement (Bright Horizons Family Solutions Inc.)
Variation. 18.1 18.1. No variation of this Agreement will shall be effective unless made it is in writing and signed by the Parties or on their behalfParties.
Appears in 2 contracts
Sources: Purchase Order, Purchase Order
Variation. 18.1 26.1 No variation of this Agreement will be effective valid unless made in writing and signed by the Parties or on their behalfbehalf of each of the parties.
Appears in 2 contracts
Sources: Asset Sale and Purchase Agreement (Applied Digital Solutions Inc), Asset Sale and Purchase Agreement (Digital Angel Corp)
Variation. 18.1 25.1 No variation of this Agreement will shall be effective unless made agreed in writing and signed by nominated representatives of the Parties or on their behalfparties.
Appears in 2 contracts
Sources: Service Agreement, Service Agreement
Variation. 18.1 20.1 No variation of this Agreement will agreement shall be effective unless made it is in writing and signed by the Parties parties (or on their behalfauthorised representatives).
Appears in 1 contract
Variation. 18.1 24.1 No variation of this Agreement will shall be effective unless made agreed in writing and signed by nominated representatives of the Parties or on their behalfparties.
Appears in 1 contract
Sources: General Terms and Conditions
Variation. 18.1 18.1. No variation of this Agreement will shall be effective unless made it is in writing and signed by the Parties (or on their behalfauthorized representatives).
Appears in 1 contract
Sources: Partner Agreement
Variation. 18.1 19.1 No variation of this Agreement will be effective valid unless made in writing and signed by a duly authorized representative of each of the Parties or on their behalfparties.
Appears in 1 contract
Sources: Confidentiality Agreement (Adventrx Pharmaceuticals Inc)
Variation. 18.1 5.1 No variation of this Agreement will agreement shall be effective unless made it is in writing and signed by the Parties or on their behalfparties.
Appears in 1 contract
Variation. 18.1 21.1 No variation of this Agreement will shall be effective unless made it is in writing and signed by the Parties or on their behalfauthorised signatories for each Party.
Appears in 1 contract
Sources: Terms and Conditions
Variation. 18.1 24.1 No variation of this Agreement will be effective valid unless made in writing and signed by the Parties or on their behalfbehalf of each of the parties.
Appears in 1 contract
Variation. 18.1 18.5.1 No variation of this Agreement will shall be effective unless made in writing and signed by the Parties or on their behalfbehalf of each of the Parties.
Appears in 1 contract
Variation. 18.1 19.1 No variation of or amendment to this Agreement will shall be effective unless made in writing and signed by authorized representatives of the Parties or on their behalfParties.
Appears in 1 contract
Sources: Strategic Alliance Agreement (Consolidated Natural Gas Co)
Variation. 18.1 13.1 No variation of this the Agreement will shall be effective unless made it is in writing and signed by the Parties or on their behalfparties.
Appears in 1 contract
Sources: Event Sponsorship Agreement
Variation. 18.1 19.1 No variation of this Agreement will shall be effective valid unless made it is in writing and signed by the Parties or on their behalfbehalf of each of the parties.
Appears in 1 contract
Variation. 18.1 35.1. No variation of this Agreement agreement will be effective unless made in writing and signed by the Parties or on their behalfboth parties.
Appears in 1 contract
Sources: It Solutions and Services Agreement
Variation. 18.1 No variation of this Agreement will shall be effective unless made in writing and signed by the Parties or on their behalfbehalf of each of the Parties.
Appears in 1 contract
Variation. 18.1 No variation of to this Agreement will be effective unless made it is in writing and signed by the Parties or on their behalfbehalf of each Party.
Appears in 1 contract
Sources: Share Purchase Agreement
Variation. 18.1 21.1 No variation of this Agreement will shall be effective unless made it is in writing and signed by the Parties parties (or on their behalfauthorised representatives).
Appears in 1 contract
Variation. 18.1 23.1 No variation of to this Agreement will shall be effective unless made in writing and signed by the Parties or on their behalfparties.
Appears in 1 contract
Sources: Preferred Supplier Agreement
Variation. 18.1 No Subject to the terms and conditions of this Agreement, no variation of this Agreement will shall be valid and effective unless made it is in writing and signed by the Parties parties or on behalf of the parties by their behalfduly authorised representatives.
Appears in 1 contract
Sources: Charter Booking Agreement
Variation. 18.1 β
25.1 No variation of this Agreement will shall be effective unless made it is in writing and signed by the Parties or on their behalfauthorised representatives.
Appears in 1 contract
Sources: Collaboration Agreement
Variation. 18.1 No variation of this the Agreement will be effective unless made it is in writing and signed by the Parties (or on their behalfauthorized representatives).
Appears in 1 contract
Sources: Libryo Subscription Services Terms
Variation. 18.1 26.1 No variation of this Agreement will shall be effective unless made agreed in writing and signed by nominated representatives of the Parties or on their behalfparties.
Appears in 1 contract
Sources: Service Agreement
Variation. 18.1 25.1 No variation of this Agreement will agreement shall be effective unless made it is in writing and signed by the Parties parties (or on their behalfauthorised representatives).
Appears in 1 contract
Sources: Consultancy Agreement
Variation. 18.1 No variation of this Agreement will shall be effective unless made it is in writing and signed by the Parties or on their behalf.each Party.18
Appears in 1 contract
Sources: Backstop Power Purchase Agreement
Variation. 18.1 No variation of this Agreement will agreement shall be effective unless made it is agreed in writing and signed by the Parties parties (or on their behalfauthorised representatives).
Appears in 1 contract
Sources: Collaboration Agreement