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Section 4— Testing and Defects

Clause 43.2

Defects Certificate

Purpose

The Supervisor issues a Defects Certificate at the end of the defect correction period. The certificate lists defects notified but not corrected, or states that no defects remain uncorrected.

Practical Application

The Defects Certificate marks the formal end of the defect correction period. It triggers release of the second half of retention and the start of any warranty period.

Common Pitfalls

If the Supervisor does not issue the certificate promptly, the Employer may treat the defect correction period as complete. The Contractor should chase the certificate proactively.

Related Clauses

Clause 44.1Clause 46.1

📖 This summary is for reference. For the full, authoritative NEC4 contract text — including all amendments, guidance notes, and flow charts — visit the official NEC website.

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⚠️ This commentary is for reference only. Always refer to the full NEC4 contract text and seek professional legal or contractual advice for your specific project.