Credit Card Surcharging and Cash Discount Rules for U.S. Merchants
How surcharging, cash discounts and dual pricing differ, what card-network rules and state laws generally require, and how to avoid a violation.
A surcharge is an extra fee added to a credit card transaction, while a cash discount lowers the price for customers who pay with cash. In many states a merchant may legally surcharge credit cards if it follows the card networks' rules and discloses the fee, but never on debit cards, and a few states restrict or ban surcharges. Because the rules combine network requirements, state law and ongoing litigation, check the current position with your processor, your state attorney general or consumer protection office and the networks' published merchant guidance before you start.
Surcharge, cash discount and dual pricing
These three approaches are often confused, and mislabeling them is a common source of violations.
| Approach | What the customer sees | Common rule themes |
|---|---|---|
| Surcharge | A percentage added to the total for a credit card payment | Allowed in many states; credit only, not debit; capped by network rules; advance notice to networks and acquirer; clear signage and a separate receipt line |
| Cash discount | The listed price is the card price, and cash payers get a discount | Generally treated more favorably by network rules when the discount is offered from the regular price; the posted price must be the higher card price |
| Dual pricing | Two prices displayed for each item, a cash price and a card price | Requires clear display of both prices; rules vary by network and state |
The difference is which price is posted as the standard price. If the posted price is the cash price and the card customer pays more at checkout, that is a surcharge and surcharge rules apply. If the posted price is the card price and cash customers get a reduction, that is a cash discount. State laws and network rules are not identical for the two, so do not assume that renaming a surcharge as a "service fee" or "convenience fee" avoids the rules.
Typical card-network requirements for surcharging
The details change, so treat these as themes to confirm in current network rules and your merchant agreement:
- Credit cards only. Surcharging debit cards, including debit cards run as credit, is not allowed under network rules. Prepaid card treatment varies and merchants need to follow the network's current rules.
- A maximum percentage. The major networks have set a cap on the surcharge amount, generally around 3 percent and often limited to the merchant's actual cost of acceptance. Confirm the current cap.
- Advance notice. Merchants generally must notify the card network and their acquirer in advance before starting to surcharge. Your processor can tell you how.
- Disclosure. Signage at the entrance and at the point of sale, disclosure on web checkout before the final confirmation, and a separate line item on the receipt are standard requirements.
- Uniform treatment. The same surcharge usually must apply to all credit cards of a given network, subject to the rules for each brand, not just selected ones.
State laws
Several states have historically restricted surcharging. Connecticut, Massachusetts and Puerto Rico are commonly cited as places where it is prohibited or sharply limited, and Colorado limits how much can be charged. Other states require specific price disclosure. Because legislatures and courts have changed positions in recent years, do not rely on a list in an article. Check with your state attorney general or consumer protection office, and ask your processor whether your state is supported in its program.
Litigation and settlements
Merchant lawsuits against Visa and Mastercard over interchange and acceptance rules have been running for many years, and settlements have changed some rules before. A proposed settlement announced in 2025 could modify surcharging and related rules, but court approval and implementation timing determine what applies to you. If you are unsure of the current status, confirm with your processor and read the court-approved notices if you are a class member. Do not assume the old rule or the proposed rule is in force without confirming.
Worked example: does a surcharge pay?
A restaurant processes $50,000 a month by card, of which 60 percent is credit and 40 percent is debit. Credit sales are $30,000. Assume its processor-quoted effective cost on credit is 2.9 percent, or $870 on credit sales.
A 3 percent surcharge would collect $900, which is more than the $870 credit cost. Because surcharges are generally limited to the merchant's actual cost of acceptance as well as to a network cap, this merchant would be safer setting the surcharge at or below 2.9 percent, which collects $870 and offsets the credit cost. The debit processing cost cannot be recovered this way, because debit cannot be surcharged.
The illustrative savings of up to $870 a month need to be set against lost sales. If 5 percent of credit customers walk away or reduce their tips, the revenue loss can be larger than the fee savings. These numbers are examples, and the surcharge itself is also taxable income in most cases, so ask your accountant about the tax treatment.
Practical compliance steps
- Ask your processor whether it supports surcharging and in which states.
- Confirm your state's law with official sources.
- Complete the network notice requirements through your processor.
- Update signage, receipts, your website checkout and your terms of sale.
- Train staff on how to explain the fee clearly and politely.
- Test a transaction to confirm the receipt shows the surcharge as a separate line.
- Keep records of disclosures and notices in case of a dispute or audit.
Risks to weigh
- Customer reaction. Some customers push back or choose competitors. Test in a limited way if possible.
- Chargebacks. Poor disclosure can lead to disputes. Clear signage reduces risk.
- Program termination. Violating network rules can lead to fines, which processors pass on to you, or even account termination.
- Online price display. Websites generally need the surcharge disclosed before checkout completion.
When to get help
If your state's law is unclear or you operate in several states, ask a business attorney to review your disclosure language and your processor's program documentation.
Frequently asked questions
Can I surcharge debit cards?
No. Network rules do not allow surcharges on debit cards.
Can I call it a convenience fee instead?
Not to avoid the rules. Regulators and networks look at what the fee does, not what it is named. Convenience fee rules also have their own conditions.
Does a surcharge reduce my processing cost?
It does not reduce what you pay to your processor. It offsets the cost by collecting an extra amount from customers.
Sources
- Visa — U.S. merchant surcharging rules and guidance
- Mastercard — merchant surcharge rules
- Federal Trade Commission — consumer protection and pricing disclosure information
- National Association of Attorneys General — directory of state attorneys general
