In progress

Click on the tabs for more information about the status of each phase in the review process. For more information about how each phase is conducted, please read about the reconsideration process.


Work Plan

Click on the tabs for more information about the status of each phase in the review process. For more information about how each phase is conducted, please read about the reconsideration process.

Diquat Diquat Timeframe calculation pursuant to Regulation 85 of the Agricultural and Veterinary Chemicals Code Regulations 1995
A + B + 2E + 3C + J + D + X = 33 months
A = 9 months (Environment – level 3; Toxicology – level 2*)
B = 8 months (Residues – level 2, OH&S – level 3*)
C = 3 months (Finalisation – type 1)
D = 4 months
E = 0 months
J = 3 months (consultation with jurisdictional (coordinator)
X = 0 months (in any other case)

*pre-December 2022 module descriptions
1. Nomination Completed

1. Nomination

Phase status: Completed

Diquat active constituents, chemical products and labels were nominated for review in response to an invitation to the public by the APVMA (then the NRA) on 1 November 1994. Eighty of the nominated chemicals, including diquat, were included in the priority candidate review list published in the Gazette on 2 May 1995.

2. Prioritisation Completed

2. Prioritisation

Phase status: Completed

3. Scoping and work plan Completed

3. Scoping and work plan

Phase status: Completed

The scope of the review includes reconsideration of diquat active constituents, chemical products and labels through assessments related to toxicology, work health and safety, chemistry, residues and environment.

The work plan was first published on 1 July 2015.

4. Notice of reconsideration Completed

4. Notice of reconsideration

Phase status: Completed

The s 32 notice of reconsideration for active constituents, chemical products and labels for diquat was published in the Gazette on 2 December 1997. The deadline for submissions was 31 May 1998. This deadline was extended to 30 September 1998 as published in the Gazette on 7 April 1998.

The s 32 notice of reconsideration was given to holders and chemical coordinators of the states and territories on commencement of the review on 27 October 1997.

Additional s 32 notices were sent to holders on 1 July 2015, 10 May 2016, 16 August 2017 and 28 February 2024 to include all approved actives, registered products and approved labels in the review.

An s 33 notice was sent to a holder on 3 March, 22 August, and 23 October 2023 to request additional data.

5. Assessment Completed

5. Assessment

Phase status: Completed

The APVMA published the draft Diquat Review Technical Report on 30 July 2024.

6. Proposed regulatory decision Completed

6. Proposed regulatory decision

Phase status: Completed

The APVMA published the proposed regulatory decision (PRD) for the diquat reconsideration in an APVMA Special Gazette on 30 July 2024. Submissions on the proposed decision are invited until 29 October 2024 (see the Special Gazette for instructions on making a submission).

7. Consultation Completed

7. Consultation

Phase status: Completed

The public consultation for the proposed regulatory decision closed on 29 October 2024.

8. Final regulatory decision Forecasted

8. Final regulatory decision

Phase status: Forecasted

Following the public consultation period on the proposed regulatory decision and consideration of submissions, the final regulatory decision will be published.

Publication of the final regulatory decision is expected in Quarter 4 2025

9. Implementation Forecasted

9. Implementation

Phase status: Forecasted

The implementation period will begin on the date the final regulatory decision is made.

Publication Archive
TypeTitlePublication date
ReportDiquat Review Technical Report30 July 2024
GazetteAPVMA Special Gazette30 July 2024