A delay by the Owner or the failure of the Owner to grant an extension of Time for Completion strictly in accordance with the Contract shall not cause the relevant Milestone Event or the Time for Completion (as the case may be) to be set at large. The Supplier will not be entitled to and must not make any claim or raise any defence against the Owner to the effect that an act of prevention of the Owner has set the time for achieving a Milestone Event or Time for Completion at large (as the case may be).