Updated April 2026
Massachusetts Credit and Debit Card Consumer Protection Laws in 2026
Federal Regulation Z (12 CFR 1026) and Regulation E (12 CFR 1005) set the floor for card-dispute rights everywhere in the US. Massachusetts's Massachusetts Consumer Protection Act (Mass. Gen. Laws ch. 93A) provides state-level remedies that can go further, including additional private causes of action, mandatory damages, and the right to file with the Massachusetts AG Consumer Complaint.
UDAP Statute
Massachusetts Consumer Protection Act
Mass. Gen. Laws ch. 93A
Small Claims Limit
$7,000
Mass. Gen. Laws ch. 218, § 21
File a Complaint
Massachusetts AG Consumer Complaint ↗Massachusetts's UDAP Statute: Massachusetts Consumer Protection Act
Mass. Gen. Laws ch. 93AMassachusetts Consumer Protection Act is Massachusetts's primary consumer-protection statute covering unfair and deceptive acts and practices (UDAP) in trade or commerce. It provides consumers with remedies in addition to (not instead of) federal protections under Regulation Z and Regulation E.
Key points
Chapter 93A is one of the most powerful consumer-protection statutes in the US. Mandatory double or treble damages for willful violations.
Massachusetts Protections Stronger than Reg E
Massachusetts Gen. Laws ch. 93A § 9 provides mandatory minimum $25 recovery plus attorney fees; applicable to debit card billing disputes where the issuer's conduct is unfair or deceptive.
How Federal Law and Massachusetts Law Interact
Federal preemption does not eliminate state UDAP claims for credit and debit card disputes. The Truth in Lending Act (TILA) and Electronic Fund Transfer Act (EFTA) expressly preserve state consumer-protection laws that are not inconsistent with the federal statutes.
For credit card disputes: If your issuer violates your rights under Mass. Gen. Laws ch. 93A, you may have a claim under both Regulation Z 12 CFR 1026.13 (federal billing-error claim) and the Massachusetts Consumer Protection Act (state UDAP claim). State claims often provide attorney fees and minimum statutory damages that federal law does not.
For debit card disputes: Regulation E 12 CFR 1005.11 sets the federal dispute process and timeline. If your bank fails to investigate within the required period (10 business days for EFT errors) or wrongly denies your claim, that failure may independently constitute an unfair or deceptive act under Mass. Gen. Laws ch. 93A, giving you a state-law remedy.
Practical tip
File your dispute with your card issuer first (required by Reg Z and Reg E). If denied, file with the Massachusetts AG Consumer Complaint and the CFPB simultaneously. Small claims court in Massachusetts (up to $7,000) is available without an attorney and costs $30-$100 to file.
Massachusetts Small Claims Court
$7,000
Claim limit
Authority: Mass. Gen. Laws ch. 218, § 21
If a card dispute is below $7,000, you can file in Massachusetts's small claims court without an attorney. Most disputes involving unauthorised charges, held funds, or denied chargebacks are within small claims limits.
Verify current small claims limits with the Massachusetts courts website before filing; limits are adjusted periodically by legislation. Source: Mass. Gen. Laws ch. 218, § 21.
Filing a Card Dispute in Massachusetts: Step-by-Step
Dispute directly with your issuer
Required first step under both Reg Z (credit) and Reg E (debit). Send written notice to the address on your billing statement. For credit, the dispute letter must reach the issuer within 60 days of the statement date showing the charge.
Get the result in writing
Your issuer must acknowledge a credit billing-error claim within 30 days (12 CFR 1026.13(b)(2)) and resolve it within two billing cycles. For a debit EFT error, the bank must complete investigation within 10 business days (12 CFR 1005.11(c)(1)).
File with the CFPB
Submit at consumerfinance.gov/complaint. The CFPB forwards complaints to the issuer, who must respond. CFPB complaint data is public; issuers take them seriously.
File with the Massachusetts AG Consumer Complaint
Massachusetts's Massachusetts Consumer Protection Act (Mass. Gen. Laws ch. 93A) gives the AG additional enforcement authority. File at: https://www.mass.gov/how-to/file-a-consumer-complaint
Consider small claims court (up to $7,000)
If the dispute amount is within Massachusetts's small claims limit, file in your local small claims court. No attorney required; filing fees are typically $30-$100. Bring your written dispute, the issuer's written denial, and any documentation of your loss.