6.1 The Independent Tester shall not:
6.1.1 make or purport to make any alteration or addition to or omission from the design of the Facilities (including, without limitation, the setting of performance standards) or issue any instruction or direction to any contractor or professional consultant employed or engaged in connection with the Project; or
6.1.2 (unless both Sub-hubco and the Authority consent in writing) consent or agree to any waiver or release of any obligation of Sub-hubco or the Authority under the Design Build Finance and Maintain Agreement or of any contractor or professional consultant employed or engaged in connection with the Project.
6.2 For the avoidance of doubt, the Independent Tester shall not express an opinion on and shall not interfere with or give any advice, opinion or make any representation in relation to any matters which are beyond its role and responsibilities under this Agreement.