The Client undertakes that the signatory below is authorised

The Client undertakes that the signatory below is authorised to sign the Con
是一份合同里的句子,该怎样翻译才合适呢?
The Client undertakes that the signatory below is authorised to sign the Contract for and on behalf of the Client.完整的句子是这个~The signatory has fully negotiated with LRQA has answered all queries on the above Terms and Conditions hereinwith before the Client accepts the above Terms and Conditions of the Conditions of the Contracts by signing the Contract.还有这句~不要在线翻译的，