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CURRENT RULEMassachusettsRepair / customer rights✓ Human reviewed

Are Massachusetts estimates and added-work approvals documented?

Massachusetts motor-vehicle repair rules generally require a written estimate before work unless an exception or valid written waiver applies. If additional repairs are needed or the authorized price will be exceeded by more than $10, the shop must notify the customer and obtain permission before continuing. A dated written final bill is also required.

Quick check

Check recent jobs for the required estimate or waiver, documented approval before added work, and a complete final bill.

At a glance
JurisdictionMassachusetts
TopicRepair / customer rights
VerifiedSep 24, 2026
Review cadenceOngoing; re-check customer forms and authorization workflow when 940 CMR 5.05 guidance or rules change.
When this applies

You perform covered consumer motor-vehicle repair work in Massachusetts.

Review your repair-order workflow for written estimates or valid waivers, documented approval before added work or material price increases, required customer disclosures, and a complete dated final bill.

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 Massachusetts changes

View state page →
EFFECTIVEJul 14, 2026Massachusetts clarified licensed-appraiser obligations for insurer-involved collision estimatesMassachusetts collision shops handling insurer-involved estimates or supplements should make sure a licensed motor-vehicle damage ap…Open update →EFFECTIVEJan 1, 2027Massachusetts created a permanent auto-body labor reimbursement rate processMassachusetts collision and auto-body shops should watch the Division of Insurance survey process and be ready to provide accurate p…Open update →