Joint Account and Authority of Each Client. If a joint Account is opened, the liabilities and obligations hereunder will be joint and several (in Quebec, solidary). By signing this Agreement each of the joint Account holders represents that the joint Account holders have full power and authority, acting individually or collectively, on behalf of all the joint Account holders, without notice to any other joint Account holder, to direct the Firm to take any action whatsoever with respect to the Account and the Firm is authorized and directed to act upon the instructions of any one of the clients with respect to the Account. The Firm may deliver, deposit, withdraw, transfer in or transfer out of the joint Account, any securities, money or other property relating to the Account. The Firm may deliver any communications of any kind, including contracts of purchase and sale, to any one of the clients without notice to any other joint Account holder.