18.2 We each acknowledge that, in entering into a Contract, neither of us has relied on any representation, undertaking or promise given by the other or be implied from anything said or written in negotiations between us prior to such Contract except as expressly stated in these terms and conditions. We intend to rely upon these terms and conditions and any document expressly referred to in them in relation to the subject matter of any Contract. While we accept responsibility for statements and representations made by our duly authorised agents, please make sure you ask for any variations from these terms and conditions to be confirmed in writing.