How California's 90-Day Pricing Rule Catches Fake Sales

Walk into any major retailer — online or in-store — and you'll see them everywhere: products perpetually "on sale," with a crossed-out original price and a tempting discount. Most of these sales are fake. The "original" price was never the real price. The product never sold at that number. California law has a specific rule to stop this — and retailers are violating it at scale.

What is California's 90-Day Pricing Rule?

California Business and Professions Code § 17501 makes it illegal to advertise a price as an "original," "regular," or "former" price unless the product actually sold at that price for at least three months (90 days) in the preceding six months — or was offered in good faith for that period.

In plain English: if a retailer wants to cross out a "$299.99 original price" and show a "$149.99 sale," that $299.99 must have been the genuine selling price for at least 90 days before the sale began. You can't just invent a number, cross it out, and call it a discount.

The statute is older than the internet — it was enacted to stop department stores from labeling items with inflated "manufacturer's suggested retail prices" and then advertising fake discounts. But its application to e-commerce has made it one of the most powerful consumer protection tools in the country, because online retailers leave a complete, timestamped price history trail.

How Fake Sales Work in Practice

There are three common patterns FakeTag detects in its automated monitoring:

1. Perpetual Sale Pricing

The most common pattern: a product is listed at "$149.99, was $299.99" for months — or years — on end. The "$299.99" was listed for a few days or weeks at launch to establish a reference price, then the "sale" began and never ended. Under B&P § 17501, if the product hasn't genuinely sold at $299.99 for 90 consecutive days in the past 6 months, the advertisement is illegal.

2. Phantom Original Prices

Some retailers list a "compare at" or "original" price that the product never actually sold at anywhere — not at that retailer, not in the broader market. This is a per se violation because there is no "former price" at all; the reference price was invented.

3. Brief Reference Price Windows

A product launches at $299.99 for 2–3 weeks, then immediately drops to $149.99 and stays there. The retailer continues advertising "$299.99 original price" indefinitely. The reference price existed, but the 90-day threshold was never met.

Real Violations FakeTag Has Detected

FakeTag scrapes product prices daily across dozens of direct-to-consumer retailers in California. Our automated detection system flags products where the current "sale" price has been active for more than 90 days — meaning the "original" price can no longer legally serve as a reference price.

Detected violation types include:

• Perpetual Sale: Product has been "on sale" continuously for 90+ days with no return to the "original" price
• Never-At-Original: Our price history shows the product was never actually sold at the advertised "original" price
• Compare-At Inflation: "Compare at" prices that exceed the product's actual market value by 40%+
• Fake Urgency + Fake Sale: Countdown timers on sales that reset daily, combined with a fake original price

You can search the full violation database at faketag.polsia.app/violations or browse by retailer on the Price Tracker.

The "Compare At" Price Problem

"Compare at" pricing is a variation used heavily in direct-to-consumer e-commerce. A retailer shows "Compare at $180" alongside their current price of $89, implying the item is worth $180 elsewhere or was sold elsewhere at that price.

Under California law, a "compare at" price is held to the same standard as any other reference price: it must reflect a genuine prevailing market price. The FTC's Guides Against Deceptive Pricing (16 C.F.R. Part 233) also require that comparative price representations be truthful — if the comparison is to a "former price," that price must have been the regular price for a reasonably substantial period of time.

Legal Exposure for Retailers

B&P § 17501 violations are prosecuted as unfair business practices under California's Unfair Competition Law (B&P § 17200). This creates:

• Civil claims by the California Attorney General or district attorneys — injunctions, civil penalties up to $2,500 per violation
• Private right of action under B&P § 17204 — any person who has suffered injury in fact from the unfair practice can sue
• Class actions — California's class action rules make fake pricing an attractive target when the same misleading price appears across thousands of identical products
• Restitution — consumers who paid a price based on a fraudulent "original" may be entitled to the difference

The economic injury calculus is straightforward: a consumer who saw a "$299.99 original, now $149.99" promotion and paid $149.99 was deceived about the value of the product. The damages — while small per individual — scale to millions of dollars across a large customer base.

What Attorneys Look For

Consumer protection attorneys investigating fake sale pricing cases typically look for:

Price History Evidence

The strongest evidence is a timestamped price history showing the product was never sold at the advertised "original" price, or only sold at it for fewer than 90 days. FakeTag's database captures daily price snapshots — current price, original/reference price, on-sale status — for each tracked product. This creates a documentary record suitable for use in litigation.

Scale of Deception

Class actions are stronger when the same misleading pricing appears on many products across many consumers. If a retailer's entire "sale" section consists of products that have been "on sale" for 12+ months, that's a systemic practice — not an isolated error.

Consumer Reliance

Establishing that consumers relied on the false reference price when making a purchase decision. Marketing materials, website screenshots, and purchase records support this element.

Defendant's Knowledge

E-commerce retailers have complete visibility into their own pricing history. Running a "sale" for 18 months is not an accident — it is a pricing strategy decision that someone inside the company made and continued to make.

What Consumers Can Do

If you've purchased a product based on a fake sale price in California:

1. Document everything. Screenshot the product page showing the "original" and "sale" price, the URL, and the date.
2. Check FakeTag. Search our violations database to see if the product or retailer is already flagged. Our Price Tracker shows the price history for hundreds of products.
3. File a report. Use our report form to add your observation to the database. It helps build the evidentiary record.
4. Contact a consumer protection attorney. Many California consumer protection attorneys handle fake pricing cases on contingency. If you have evidence of a B&P § 17501 violation, the conversation is worth having.
5. File with the California AG. The California Department of Justice accepts consumer complaints about deceptive advertising. Volume of complaints influences enforcement priorities.

Summary

California's 90-day pricing rule under B&P § 17501 is one of the strongest consumer protection statutes in the country for combating fake sale pricing. It requires that any advertised "original" or "former" price be a genuine selling price for 90 days in the past six months. Most major retailers running perpetual sales are violating this rule — and the price history evidence is there to prove it.

FakeTag automates the evidence collection that makes these cases viable. If you're a consumer who's been deceived, or an attorney building a fake pricing case, our tracker is the fastest way to assess whether a specific retailer's pricing practices violate California law.