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CURRENT RULEIllinoisRepair / customer rights✓ Human reviewed

Are Illinois estimates, added-work approvals, and invoices complete?

Illinois consumer-protection rules require covered repair shops to provide a written estimate before repair work, subject to permitted waiver/authorization options. The estimate must disclose key parts, labor, diagnostic and repair information; added work beyond the authorized estimate requires customer approval; the shop must provide an invoice and visibly post customer rights.

Quick check

Check recent jobs for the required estimate or waiver, approval before added work, an itemized invoice, and the required customer-rights notice.

At a glance
JurisdictionIllinois
TopicRepair / customer rights
VerifiedSep 24, 2026
Review cadenceOngoing; re-check estimate, authorization, invoice, and posting procedures when Illinois automotive-repair rules change.
When this applies

You perform consumer motor-vehicle repair work in Illinois.

Review your estimate and repair-order workflow: confirm required estimate disclosures, documented approval before added work exceeds the authorized amount, complete final invoices, and the required customer-rights notice in the shop.

Official evidence

Source and verification

Verified
Sep 24, 2026
Applies to
All shop types

Quick-reference compliance planning only; not legal advice or an exhaustive statement of every applicable Federal, state, or local rule. Always verify the official source.

Regulatory history

Related Illinois changes

View state page →
EFFECTIVENov 13, 2025Illinois expanded official vehicle safety-testing rules to mobile testing companiesIllinois businesses operating an Official Testing Station or Official Mobile Safety Testing Company should use the current Part 451 …Open update →EFFECTIVEMar 17, 2025Illinois restructured its emissions testing network with inspection-and-repair stationsChicago-area and Metro-East shops handling emissions failures should update the testing locations and options they give customers an…Open update →EFFECTIVEJan 1, 2022Illinois changed dealer warranty and recall reimbursement rulesFranchised service departments should review warranty/recall labor-time calculations, labor and parts reimbursement, diagnostic bill…Open update →