All the answers are in this document and have been since the EPA pulled the rug out from under us....
https://www.epa.wa.gov.au/sites/default/files/Policies_and_Guidance/Environmental%20Impact%20Assessment%20Administrative%20Procedures%202021.pdf
We are here:
3.1.3 Step 3. Public review of additional assessment information (including an
Environmental Review Document)
3.1.4 Step 4. Preparation of EPA’s draft assessment report
3.1.5 Step 5. Completion of the EPA’s assessment
{Stage 3 – Assessment of proposals ends when:
1. the EPA completes its assessment, or
2. the EPA terminates the assessment.}
Stage 4—EPA report on the assessment of a proposal (s. 44)
4.1 Assessment report
4.2 Recommended conditions and procedures
{Stage 4 – EPA report on the assessment of a proposal ends when the Minister causes the EPA’s
Assessment report to be published.}
Stage 5—Decision on proposal and implementation of proposals
5.1 Procedure for deciding if assessed proposal may be implemented (s. 45)
5.1.1 Appeals on EPA Assessment report
5.1.2 Agreement or decision on whether proposal may be implemented
5.2 Implementation conditions (s. 45A)
5.3 Implementation of derived proposal (s. 45B)
5.4 Duties of proponents after service of Ministerial statement (s. 47)
5.5 Amending approved proposals or implementation conditions without inquiry or
assessment (s. 45C)
5.6 Division or consolidation of proposals and issue of separate or combined Ministerial
statements (s. 45D)
5.7 Amending implementation conditions after inquiry (s. 46)
