IL Statewide Technical Reference Manual Version 9.0


  • The IL-TRM Technical Advisory Committee and annual IL-TRM update process is facilitated by VEIC. To join the IL-TRM Technical Advisory Committee, please email [email protected].
  • For information on prior versions of the IL-TRM, please visit the main IL-TRM page.

Annual IL-TRM Update Process

  • There is a structured process at the beginning of each IL-TRM update cycle for Technical Advisory Committee participants to submit new measures and changes to existing measures. Measure priorities for Version 9.0 were finalized by April 1, 2020.
  • Regular meetings are held by teleconference with IL-TRM Technical Advisory Committee participants to reach agreement on measure updates and additions to the IL-TRM.
  • ICC Staff submitted the final IL-TRM to the Commission for approval in October 2020. IL-TRM Version 9.0 was approved by the Commission in December 2020.

IL-TRM Version 9.0 Errata Measures Memo

Evaluation Priorities

Prioritized List of Version 9.0 Issues

Changes Summary Memo

IL-TRM Version 9.0 – Final

IL-TRM Deliverables for Version 9.0 Update Process

  • Feb. 5, 2020: 2020 IL-TRM v9.0 Kick-Off Meeting: Process Overview; Issue and Data Requests
  • Feb. 1 – Feb. 11, 2020: Submit early Update Requests and program impact data for prioritization for Preliminary Review via IL-TRM Request Tracker (SharePoint)
  • Feb. 11 – Feb. 25, 2020: Continue to submit, and finalize all Update Requests via IL-TRM Request Tracker (SharePoint) – deadline: February 25th
  • Feb. 11 – March 6, 2020: VEIC reviews issues and priorities; set up additional subcommittees to kick-start complex issues
  • March 6, 2020: VEIC provides draft prioritized list of issues to be worked on this year with company assigned for workpaper development. Comments through Sharepoint discussion board.
  • March 6 – April 1, 2020: Stakeholders review issues and priorities; identify any additional critical issues
  • April 1, 2020: VEIC deliverable – provide final IL-TRM Measure Update Priority – additional new substantive issues only accepted for v9.0 beyond this point if TAC agreement
  • April 1 – May 15, 2020: Stakeholders prepare and submit workpapers for New and Existing Measures – deadline: May 15th
  • April to June 26, 2020: Review other posted Workpapers and submit comments. Review and engage in SharePoint board discussions and review drafts posted.
  • June 26, 2020: VEIC delivers 2020 IL-TRM v9.0 Vol. 1-4 Draft 1; Spreadsheet of Comments and Responses; v8.0 Errata Memo
  • July 3, 2020: VEIC delivers summary memo of proposed TRM changes with highest impact
  • June 26 – July 17, 2020: Stakeholders review IL-TRM v9.0 Draft 1 and submit comments (3 weeks)
  • August 12, 2020: VEIC delivers 2020 IL-TRM v9.0 Vol. 1-4 Draft 2 and Spreadsheet of Comments and Responses
  • August 12 – August 26, 2020: Stakeholders review IL-TRM v9.0 Draft 2 and submit final comments (2 weeks) – any potential non-consensus issues must be identified during this review
  • September 9, 2020: VEIC delivers Almost Final 2020 IL-TRM v9.0 Vol. 1-4 and Spreadsheet of Comments and VEIC Responses and Deadline for Draft Comparison Exhibit of Non-Consensus TRM Update Issues if applicable
  • September 9 – September 16, 2020: Stakeholders review and submit final Stakeholder Nits/Errors/Oversights – no new issues
  • September 24, 2020: VEIC delivers Final 2020 IL-TRM v9.0 Vol. 1-4
  • October 1, 2020: ICC Staff submits IL-TRM Version 9.0 to ICC