Clause 9 deals with the Tests on Completion. Sub-Clause 9.1 requires the Contractor to give notice when it is ready to carry out the Tests on Completion. Tests on Completion are a defined term at Sub-Clause 1.1.3.4. Sub-Clause 9.2 deals with delayed testing caused by either the Employer or the Contractor. Sub-Clause 9.3 deals with retesting after a failure to pass the Tests on Completion. Sub-Clause 9.4 deals with a failure to meet the requirements of the contract after retesting.