Yes, overdraft fees are legal under federal law. Banks are allowed to charge them, and no federal rule currently caps the dollar amount. What federal law does regulate is how banks disclose the fees, which transactions they can charge them on, and whether you have agreed to the service in the first place. Most banks still charge around $35 per overdraft, though a handful have voluntarily dropped their fee as low as $10.1
Why Federal Law Allows Overdraft Fees
The legal foundation sits in Regulation Z, the rule implementing the Truth in Lending Act. Under 12 CFR Part 1026, a fee a bank charges for paying a transaction that overdraws your account is excluded from the definition of a “finance charge” as long as the bank has not entered into a written agreement to cover overdrafts as a credit product. Without that written credit agreement, the overdraft fee is treated as a service charge for an administrative courtesy rather than interest on a loan.
That classification is the whole ballgame. Loans and credit lines are subject to annual percentage rate disclosures, usury limits, and other lending protections. An administrative service fee sidesteps all of it. A bank can legally charge a flat $35 fee on a $5 overdraft without triggering any lending rules, because in the eyes of federal law the bank provided a service, not a loan.
Federal law also distinguishes two charges people often confuse. An overdraft fee applies when the bank pays the transaction on your behalf and your balance goes negative. A non-sufficient funds (NSF) fee applies when the bank rejects the transaction entirely. You can be charged either way, but the bank only fronts the money in the first scenario. Some banks have eliminated NSF fees in recent years, but they remain legal.
When a Bank Can Actually Charge You
Even though overdraft fees are legal, Regulation E limits when banks can charge them. Under 12 CFR 1005.17, a bank cannot charge an overdraft fee on a one-time debit card purchase or ATM withdrawal unless you have given affirmative consent to the bank’s overdraft service. Before you agree, the bank must give you a standalone notice describing the service, the dollar amount of the fee, and the maximum number of fees it may charge per day.
If you never opt in, your debit card is simply declined at the register when your balance is too low. No fee, no negative balance. The transaction just doesn’t go through.
The opt-in requirement only covers everyday debit card swipes and ATM withdrawals. It does not apply to checks, automatic bill payments, or recurring electronic transfers. Banks can charge overdraft fees on those transaction types without your explicit consent, which catches many account holders off guard. A monthly utility payment that hits a day before your paycheck lands can trigger a fee even though you never agreed to overdraft coverage on your debit card.
How to Turn Overdraft Coverage Off
If you previously opted in and want out, 12 CFR 1005.17(f) gives you the right to revoke your consent at any time. You can withdraw your opt-in using the same method the bank offered when you signed up. Consented online, revoke online. Consented by phone, call to cancel. The bank must process the revocation as soon as reasonably practicable.
On a joint account, any account holder can revoke consent for the entire account. You don’t need permission from the other person.
Most large banks let you toggle overdraft coverage off through online banking, at an ATM, over the phone, or at a branch. If your bank makes the revocation process difficult or unresponsive, that itself may violate Regulation E’s requirement that the bank use a reasonable method.
Overdraft Fee Practices That May Be Illegal
Even when a fee technically complies with the opt-in rules, the Consumer Financial Protection Bureau has treated some practices as unfair under federal consumer protection law.
Surprise Fees on Transactions You Thought Were Covered
The CFPB calls these “authorize positive, settle negative” (APSN) fees. You check your balance, see $50, and buy lunch for $12. The transaction is authorized against your positive balance. Before the restaurant’s charge actually posts, other pending transactions settle first and drain your account. When the lunch charge finally clears, your balance is negative, and the bank hits you with an overdraft fee.
The bureau’s Circular 2022-06 states that these surprise fees often constitute an unfair practice, because consumers cannot reasonably avoid the injury. The CFPB has backed that position with enforcement actions totaling hundreds of millions of dollars against Navy Federal Credit Union, Wells Fargo, and Regions Bank for illegal overdraft fee practices.
High-to-Low Transaction Reordering
The order in which a bank processes your daily transactions changes how many overdraft fees you can rack up. Some banks have historically processed transactions from largest to smallest dollar amount rather than in the order they occurred. That “high-to-low” posting drains the account faster and can turn what would have been one overdraft fee into several on the same set of purchases.
Circular 2022-06 identifies transaction ordering as a factor that can worsen consumer injury, since customers cannot control how their bank settles transactions. The FDIC advised banks back in 2011 to stop posting from highest to lowest, and many large banks have moved to chronological or real-time posting. The practice has not been universally banned by federal regulation, though, so if your bank still uses high-to-low ordering, a single bad day could cost you multiple fees.
The $5 Cap That Was Repealed
In December 2024, the CFPB finalized a rule that would have capped overdraft fees at $5 for banks and credit unions with more than $10 billion in assets. It was set to take effect on October 1, 2025, and was projected to save consumers roughly $5 billion per year. It would have been the first federal limit on the dollar amount of an overdraft fee.
Congress repealed the rule before it took effect. Using the Congressional Review Act, both chambers voted to void the cap in early 2025, and the resolution was signed into law. A pending court challenge was dismissed as moot. No federal cap on overdraft fee amounts exists in 2026, and most large institutions still charge between $34 and $37 per overdraft.
The repeal does not affect the opt-in requirement, the CFPB’s authority to pursue enforcement actions against unfair fee practices, or any state-level restrictions. It just means the specific $5 cap is gone.
State Law and the National Bank Exception
Some states cap overdraft-related charges through banking codes and consumer protection laws. These restrictions take various forms, including dollar caps on bounced-check fees, limits on how many overdraft fees a bank can charge per day, and required grace periods. The specifics vary, and most state rules target only certain account types or categories of fees rather than capping all overdraft charges.
The catch is that state-level fee caps often don’t apply to nationally chartered banks. Under the National Bank Act, the Office of the Comptroller of the Currency has consistently taken the position that federal law preempts state attempts to regulate how national banks set deposit account fees. A state can pass a law capping overdraft fees at $15, but the largest banks operating under national charters may be exempt.
State-chartered banks and credit unions must follow their state regulator’s rules. If your bank is state-chartered and your state limits overdraft fees, those limits apply. You can check whether your bank is nationally or state-chartered by looking for “N.A.” (National Association) in its legal name or searching the OCC’s or FDIC’s online databases.
Cheaper Ways to Handle a Short Balance
If you want a safety net without the $35 sting, several options cost less than traditional overdraft coverage.
- Link a savings account to your checking. Most major banks now do this transfer for free when checking would otherwise overdraw.
- Check whether your bank offers a grace period. Some give you until the end of the next business day to deposit enough to cover an overdraft before charging the fee.
- Look for a small-dollar buffer. A number of banks won’t charge an overdraft fee unless the account goes negative by more than a set threshold, often $5 or $50.
- Opt out of overdraft coverage entirely. Your debit card gets declined at the register if your balance is too low. Awkward for a moment, but free.
If overdrafts are rare for you, opting out costs nothing. If they happen regularly, a linked savings account gives real protection without the fee. The worst option for most people is the default: staying opted in and absorbing $35 hits on small transactions.