Amendment and Modifications This Agreement may not be amended, modified or supplemented except by an instrument or instruments in writing signed by the party against whom enforcement of any such amendment, modification or supplement is sought.
Amendments; Modifications This Agreement may not be modified, altered or amended except by an agreement in writing executed by all of the parties hereto.
Change Orders Any alteration or deviation from the Services mentioned or any other contractual specifications that result in a revision of this Agreement shall be executed and attached to this Agreement as a change order (“Change Order”).
Amendments, Changes and Modifications Except as to the termination rights of both Parties as indicated in the Facilities Lease, this Site Lease may not be amended, changed, modified, altered or terminated without the written agreement of both Parties hereto.
Modifications and Amendments The terms and provisions of this Agreement may be modified or amended only by written agreement executed by all parties hereto.