Storing documents, stored at the authority of the two parties. Fix Change must be a two party consents, the document will expire when a new document is issued.
All documents are kept at the authorized signatories of both parties, the amendment would require the consent of the two parties, the documents will expire when a new document. Or notice from any party authorized in writing.
Document storage to keep authorized signer of both sides to change, must be the consent of both parties. 2 The document will expire when issuing new documents.