Amendment and Modification. This Agreement may only be amended, modified or supplemented by an agreement in writing signed by each party hereto.
Amendment and Modification. This Agreement may not be amended, modified or supplemented in any manner, whether by course of conduct or otherwise, except by an instrument in writing specifically designated as an amendment hereto, signed on behalf of each party.
Amendment and Modification. This Agreement may be amended, modified or supplemented only by written agreement of Buyer and Seller.
Amendment and Modification. This Agreement may be amended, modified or supplemented only by a written instrument executed by all the parties.
Amendment and Modification. This Agreement may be amended or modified in whole or in part, at any time and from time to time, for any period or periods (a) by mutual written agreement by such officers of Principal Life, the Agreement Holder and, where such Agreement Holder is the Indenture Trustee upon an assignment by way of security of this Agreement by the Trust, the Trust and (b) without the consent of any other person affected thereby.
Amendment and Modification. Subject to applicable law, this Agreement may be amended, modified or supplemented only by a written agreement signed by both parties. No oral modifications to this Agreement may be made.
Amendment and Modification. This Agreement may not be amended except by an instrument in writing signed by the parties hereto.
Amendment and Modification. The parties hereto may amend, modify and supplement this Agreement in such manner as may be agreed upon by them in writing.
Amendment and Modification. Subject to applicable Law, this Agreement may be amended or modified by the Parties hereto at any time with respect to any of the terms contained herein; provided, however, that all such amendments and modifications must be in writing duly executed by all of the Parties hereto.
Amendment and Modification. These Terms may only be amended or modified in a writing stating specifically that it amends these Terms and is signed by an authorized representative of each party.
