A new scientific research centre has been constructed using NEC$4$ ECC main Option E$.$ The Project Manager certifies Completion on $01$ May. The defects date is $52$ weeks after completion of the whole of the works. The Defect Correction period is $4$ weeks.

Which TWO of the following Statements are correct? Select TWO options:

A$.$ The contractor is required to submit its quality plan to the Project manager for acceptance at the intervals stated in the contract data.

B$.$ If the Contractor makes a change to its quality plan it should submit the revised plan to the supervisor for acceptance.