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Conditions of Acceptance (COA) forms

Below are our hardcopy Conditions of Acceptance forms to be used for new complex gas installation applications if you are not lodging an application or exemption through GasTrac.

There are two versions of each form – colour and black and white. Use the version most suited to your home/office printing capabilities.

Email your completed and scanned forms to

Terms and conditions

Section 26, Gas Safety (Gas Installations) Regulations 2018

By submitting an application for acceptance of a complex gas installation or Type B gas appliance to ESV, it is deemed that the applicant has read and accepted all terms and conditions in relation to the application and acceptance process. Applicants must note the following:

  • It is an offence to provide false or misleading information to ESV under section 117 of the Gas Safety Act 1997.
  • Only applications on the correct application form will be accepted.
  • Incomplete or incorrect applications will not be processed and will be returned to the applicant.
  • Provision of ESV’s Gas Supply Approval number to the relevant distribution business, and providing the applicant with this ESV approval number will be at the discretion of ESV.
  • The provision of the ESV approval number will be dependent on the risk category determined by ESV of the complex gas installation and may be subject to some constraints.
  • Where ESV subjects a complex gas installation to an audit or inspection, the licensed person must attend the inspection or audit.
  • ESV will notify the applicant in writing of the conditions to be applied to the application.

Contact us

If you have any queries in relation to complex gas installation applications, please contact our Gas Technical Helpline directly on 1800 652 563 or at