Waivers and Amendments. This Agreement shall not be waived, amended or otherwise modified except in writing, duly executed by all of the parties hereto.

Amendments. This Agreement may not be modified or amended except in a writing duly executed by the parties hereto.

Amendments. This Agreement shall not be amended or otherwise modified unless in writing signed by all of the Parties hereto.

Amendments. This Agreement may not be amended, modified or waived as to any particular provision, except by a written instrument executed by the parties hereto.

Amendments. No provision of this Agreement may be waived or amended other than by an instrument in writing signed by both parties hereto.

Amendment and Waiver. This Agreement may not be amended, nor any rights hereunder waived, except in a writing signed by the properly authorized representatives of each Party.

Modifications. Neither this Agreement nor any provision hereof may be modified, altered, amended or waived except by an instrument in writing duly signed by both parties.

Waiver and Modification. The provisions of this Agreement may not be waived or modified unless such waiver or modification is in writing and signed by the parties hereto.

Modifications. Neither this Agreement, nor any provision hereof, may be waived, amended or modified except pursuant to an agreement or agreements in writing entered into by the parties hereto.

Modifications and Amendments. This Agreement may not be, and shall not be construed to have been modified, amended, rescinded, canceled, or waived, in whole or in part, except if done so in writing and executed by the parties hereto.