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  6. 137-2025

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137-2025: Version 3.0 of the Methyl Bromide Fumigation Methodology is now in force and approved arrangement class conditions have been updated

1 May 2025

Who does this notice affect?

Import-related biosecurity treatment stakeholders, including all importers, brokerages, onshore approved arrangement holders, overseas government and industry treatment providers, relevant domestic state and territory government agencies, and other shipping, freight, and logistics peak industry bodies.

What has changed?

Methyl Bromide Fumigation Methodology (version 3.0)

Version 3.0 of the  Methyl Bromide Fumigation Methodology  is now in effect. Find the new version on the department’s methodologies and documents for biosecurity treatments webpage to ensure you are meeting the new requirements and conducting fumigations correctly. 

All methyl bromide fumigations with a start date and time at or after 1 May 2025 00:00 (midnight local time) must adhere to the new requirements. Local time means the place where the fumigation was performed.

Please note: to ensure a smooth transition, Australia will accept treatment certificates issued under version 2.0 requirements until 30 June 2025. After this date, treatment certificates must comply with the requirements of version 3.0 of Australia’s Methyl Bromide Fumigation Methodology.

New templates are available on our webpage.

Class 4.6 Fumigation Site (version 5.0) and class 12.1 Methyl Bromide Fumigation (version 4.0) conditions

Version 5.0 of the class 4.6 Fumigation Site  and version 4.0 of the class 12.1 Methyl Bromide Fumigation condition documents are now in effect. 

The class 4.6 Fumigation Site and class 12.1 Methyl Bromide Fumigation conditions are on the department’s webpage at Conditions for operating approved arrangements. 

Further information

This notice relates to the previous industry advice notices below:

  • Methyl bromide fumigation methodology – New record of fumigation and treatment certificate templates now available (122-2025)
  • Methyl Bromide and other biosecurity treatment updates – information sessions for Australian industry (93-2025)
  • Methyl Bromide Fumigation Methodology version 3.0 Preborder stakeholder information session (71-2025)
  • Methyl bromide fumigation methodology – Prepare now for 2025 update (174-2024)
  • Industry consultation on the Methyl Bromide Fumigation Methodology open (13-2023)
  • Methyl Bromide Fumigation Methodology - updated publication date (267-2023)

For further details about version 3.0 of the Methyl Bromide Fumigation Methodology, visit our webpage.

If you have any questions relating to the Methyl Bromide Fumigation Methodology, please contact Offshore Treatments at offshoretreatments@aff.gov.au. 

If you have any questions relating to the class 4.6 Fumigation Site or class 12.1 Methyl Bromide Fumigation conditions, please contact Approved Arrangements Program at aa.canberra@aff.gov.au.

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Page last updated: 01 May 2025

We acknowledge the continuous connection of First Nations Traditional Owners and Custodians to the lands, seas and waters of Australia. We recognise their care for and cultivation of Country. We pay respect to Elders past and present, and recognise their knowledge and contribution to the productivity, innovation and sustainability of Australia’s agriculture, fisheries and forestry industries.

Artwork: Protecting our Country, Growing our Future
© Amy Allerton, contemporary Aboriginal Artist of the Gumbaynggirr, Bundjalung and Gamilaroi nations.

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