DAFF - IIAN : 163-2026 Ethyl Formate Fumigation Conditions and Approved Arrangement Updates (Classes 12.4,4.6 and 4.7)

Monday, September 28, 2026


28 September 2026

Who does this notice affect?

This notice applies to:

  • Treatment providers managing Brown Marmorated Stink Bug (BMSB) risk goods
  • Importers and industry participants managing goods subject to BMSB seasonal measures
  • Industry stakeholders seeking approval to undertake onshore Ethyl formate fumigation treatments
  • Biosecurity industry participants (BIPs) holding an approved arrangement for:
    • class 4.6 - Fumigation site and/or
    • class 4.7 - Secure unpack for treatment of seasonal hitchhiker biosecurity pests.

What is changing?

Please be advised that the following import class conditions are now in effect:

  • new class 12.4 - Ethyl formate fumigation conditions (version 1.0)
  • amended class 4.6 - Fumigation site conditions (version 6.0)
  • amended class 4.7 - Secure unpack for treatment of seasonal hitchhiker biosecurity pests conditions (version 3.0).

The 'Have Your Say' online feedback survey for the proposed draft Ethyl formate fumigation conditions and supporting approved arrangement updates (Classes 12.4, 4.6 and 4.7) closed at 5:00 pm (EST), on 6 July 2026. Thank you for providing your valued feedback. For further information, please visit the department's 'Have Your Say' page for Ethyl formate fumigation conditions and approved arrangement updates (Classes 12.4, 4.6 and 4.7) - Department of Agriculture, Fisheries and Forestry.

For more information about seasonal biosecurity pests please visit Seasonal measures for Brown marmorated stink bug (BMSB).

Further information

Find the class 12.4 - Ethyl formate fumigation conditions (version 1.0), class 4.6 - Fumigation site conditions (version 6.0) and class 4.7 - Secure unpack for treatment of seasonal hitchhiker biosecurity pests conditions (version 3.0) at Conditions for operating approved arrangements.

If you have any questions, please contact Approved Arrangements at AA.Canberra@aff.gov.au. 

Related information