Compliance Guide
Item pricing & price accuracy laws by state
Michigan’s scanner bounty, Connecticut’s ESL exemption, NYC item-pricing fines, and the NIST 98% inspection standard every state uses — the US price-accuracy rulebook, in plain language, on one page.
Every US state enforces price accuracy at the register — most through weights-and-measures inspections based on the NIST Handbook 130 price-verification procedure (98% accuracy is the common passing threshold). A handful of states and cities go further with item-pricing laws that require a price on the item or shelf itself, with per-violation fines — and several explicitly reward stores that use electronic shelf labels with exemptions or waivers.
This page tracks the notable state rules in one place. It’s a plain-language guide, not legal advice — always confirm with your state’s weights & measures office.
Item pricing & price accuracy laws by state
States and cities with rules beyond the standard NIST price-verification inspections — and what they mean for retailers.
| State / City | Rule | What it means for retailers |
|---|---|---|
| Michigan | Shopping Reform & Modernization Act (2011). Scanner accuracy law with a consumer “bounty”: if the register charges more than the displayed price, the shopper is owed the difference plus 10× the difference (min $1, max $5) on request. | Every shelf/register mismatch is a small payout plus exposure to civil penalties on repeat violations. Price changes must land on the shelf the moment they land in the POS. |
| Massachusetts | Food-store item-pricing regulation (940 CMR 3.13; grocery rules under MGL c.94 §184B–E). Most grocery items must carry an individual price — unless the store qualifies for the alternative-compliance option using consumer price scanners and strict shelf-tag accuracy. | The waiver path is the modern route: accurate electronic shelf tags + in-aisle price checkers can replace hand-stickering every can. Accuracy failures put the waiver at risk. |
| Connecticut | Item-pricing law (Conn. Gen. Stat. §21a-79) with an explicit carve-out: stores using electronic shelf labels are exempt from individual item-pricing requirements. | The clearest ESL incentive in the country — deploying ESLs legally replaces item-by-item price stickers. |
| New York City | Item-pricing law (NYC Admin. Code §20-708 & 708.1) for larger grocery stores, enforced by DCWP with per-item fines; a scanner-accuracy waiver is available for stores that install consumer price-check scanners and pass accuracy inspections. | NYC grocers face some of the most active enforcement in the US. The waiver + accurate shelf tags is how modern stores comply without stickering every unit. |
| New Hampshire | Consumer-protection pricing rules: items must be individually priced or the store must post clear shelf pricing and maintain register accuracy under state inspection. | Shelf tags are the compliance surface — they must match the register on every inspection. |
| North Dakota / Rhode Island | Item-pricing statutes remain on the books for certain retail categories, with exemptions where clear shelf or unit pricing is maintained. | Same pattern: accurate shelf-edge pricing is the accepted alternative to unit stickering. |
| California | No item-pricing mandate, but aggressive county Weights & Measures scanner-accuracy inspections; overcharges are prosecutable as false advertising (B&P Code §12024.2) — county DAs have taken six- and seven-figure settlements from major chains. | The register may not charge more than the lowest posted price. Stale paper tags are the classic violation that triggers settlements. |
| Arizona, Wisconsin, Florida & most other states | Adopt the NIST Handbook 130 price-verification examination: periodic inspections sample 25–100 items; typically 98% must scan at or below the displayed price to pass. | Fail an inspection and re-inspections, fines, or stop-sale orders follow. Accuracy is a statewide obligation even without an item-pricing law. |
Last reviewed July 2026. Statutes and enforcement practices change — verify current requirements with your state weights & measures program or counsel before relying on this summary.
Where electronic shelf labels fit
Every rule above comes down to one thing: the shelf must match the register — always.
Paper tags fail these laws in a predictable way: the POS price changes, the shelf tag doesn’t, and the next inspection (or the next Michigan shopper) catches the gap. Electronic shelf labels close it structurally — the shelf price and the register price come from the same system and update together, in seconds, storewide.
In Connecticut, ESLs are a statutory exemption from item pricing. In Massachusetts and New York City, accurate electronic shelf tags are the backbone of the waiver/alternative-compliance route. Everywhere else, they’re how stores pass NIST-style scanner-accuracy inspections without dedicating staff to tag audits. Estimate the labor side with the ROI calculator or see what ESLs cost.
Price accuracy law FAQ
What happens if the shelf price doesn’t match the register?
In most states, charging more than the displayed price violates weights-and-measures rules and consumer-protection law — consequences range from refunding the difference to per-violation fines, failed inspections, and (in California) county-DA false-advertising actions. Michigan additionally owes the shopper a statutory bonus payment on request.
Which states require individual price tags on items?
True item-pricing mandates survive mainly in Massachusetts (food stores), Connecticut, New York City, and in narrower forms in a few other states — most offer an exemption or waiver when the store maintains accurate shelf pricing, consumer price-check scanners, or electronic shelf labels.
What accuracy rate do scanner inspections require?
The NIST Handbook 130 examination used by most states samples items and typically requires 98% to scan at or below the displayed shelf price. Overcharges count against the store; undercharges generally don’t.
Do electronic shelf labels satisfy these laws?
ESLs keep the shelf and register in sync automatically, which is exactly what the laws test. Connecticut exempts ESL-equipped stores from item pricing outright, and shelf-tag accuracy is the core of the Massachusetts and NYC waiver routes — but formal waivers/exemptions have their own filing requirements, so confirm the process with your state or city agency.
Make pricing compliance automatic
One system for the shelf and the register — updated together, in seconds, with an audit trail. Talk to a US-based ESL team about your state’s requirements.