8.1 The Independent Tester shall treat as secret and confidential and shall not at any time for any reason disclose or permit to be disclosed to any person or otherwise make use of or permit to be made use of any unpublished information relating to Sub-hubco's or the Authority's or the Contractor's (if appropriate) technology or other know-how business plans or finances or any such information relating to a subsidiary, supplier, customer or client of Sub-hubco or the Authority or the Contractor (if appropriate) where the information was received during the period of this Agreement except as may be reasonably necessary in the performance of the Services. Upon termination of this Agreement for whatever reasons the Independent Tester shall offer to deliver up to Sub-hubco or the Authority (as appropriate) all working papers, computer disks and tapes or other material and copies provided to or prepared by him pursuant either to this Agreement or to any previous obligation owed to Sub-hubco or the Authority provided always that the Independent Tester shall be entitled to retain copies of all such items where such offer is accepted.
8.2 The obligation to maintain confidentiality does not apply to any information or material to the extent that the Independent Tester is compelled to disclose any such information or material by law or any regulatory or Government authority.
8.3 The copyright in all reports, and other documents produced by the Independent Tester in connection with the Project shall remain vested in the Independent Tester but the Independent Tester grants to Sub-hubco and Authority and their nominees with full title guarantee a non-exclusive irrevocable royalty free licence to copy and use such reports, and other documents and to reproduce the information contained in them for any purpose related to the Project including (but without limitation) the construction, completion, maintenance, letting, promotion, advertisement, reinstatement, extension and repair of the Project. Such licence shall include a licence to grant sub-licences and to transfer the same to third parties.
8.4 The Independent Tester shall not be liable for use by any person of the documents, (including reports, details, plans, specifications, schedules, computer programs, software, consents and any other papers, works, reports and inventions produced by the Independent Tester) for any purpose other than that for which the same were prepared by or on behalf of the Independent Tester.