The form required for a Code Compliance Certificate for heating appliance application:

You must apply for a Code Compliance Certificate on completion of building work. There are restrictions on the Council relating to the issue of Code Compliance Certificates and generally such a certificate cannot be issued after two years from the date of the Building Consent. Council staff will assist you with further explanation as to time frames and the importance of a Code Compliance Certificate.

Location http://www.westland.govt.nz/index.cfm/1,385,735,0,html