Certificates of work, producer statements, and design features reports


certificate of work

Certificates of work guidance[PDF 1.6 MB]

Clarify legislative requirements, encourage consistent processes and foster good-practice for practitioners.

About this document

  • Published on 1 July 2013
  • ISBN: 978-0-478-41373-1 (Online)
  • 1st edition


If you are involved in issuing and accepting certificates of design work (CoWs), producer statements and design features reports (DFRs), this guidance should clarify legislative requirements, encourage consistent processes and foster good practice.

It has national application, with a focus on Canterbury’s green zone residential properties (and includes Canterbury-specific examples).


  • Restricted building work
  • Producer statements
  • Design features reports.

This information is published by the Ministry of Business, Innovation and Employment’s Chief Executive. It is a general guide only and, if used, does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case. Expert advice may be required in specific circumstances. Where this information relates to assisting people: