6.2 Subject to the provision of Clause 30.1.7, Sub-hubco shall not be relieved or excused of any responsibility, liability or obligation under this Agreement by the appointment of any Sub-hubco Party. Sub-hubco shall, as between itself and the Authority, be responsible for the selection, pricing, performance, acts, defaults, omissions, breaches and negligence of all Sub-hubco Parties. All references in this Agreement to any act, default, omission, breach or negligence of Sub-hubco shall be construed accordingly to include any such act, default, omission, breach or negligence of a Sub-hubco Party.