Русско-англо-русский юридический словарь

The jurisdiction of an arbitral tribunal derives from the consent of the parties to an agreement. (internationallawoffice.com)

This Memorandum of Understanding may be amended by mutual consent of the Parties through an Exchange of Notes between the Parties through the diplomatic channel. (parliament.uk)

Any amendment or cancellation shall be by mutual consent of the parties, except as otherwise provided in the development agreement or in Section 56.16. (sanfranciscocode.org)