To deposit a large amount of cash, walk into a branch during business hours, hand the money to a teller with a valid photo ID, and answer a few straightforward questions about where the cash came from. Any single deposit over $10,000 triggers an automatic report to the federal government, but that report is routine paperwork, not an accusation. The one thing you must not do is break the money into smaller deposits to avoid the report. That move is a federal crime even when the cash is completely legal.
What to Bring With You
Bring an unexpired government-issued photo ID: a driver’s license, passport, or state ID card. You’ll also need your Social Security number. The teller uses both to complete the Currency Transaction Report, which captures your legal name, permanent address, and occupation.1Internal Revenue Service. FinCEN Currency Transaction Report Some banks ask for a second form of identification on large transactions, such as a utility bill, a bank statement, or an employer-issued ID.
Bring documentation of where the money came from. A signed bill of sale covers a vehicle or property transaction. Gambling winnings should be backed by a W-2G from the casino. For a cash gift, a short letter from the donor stating the amount, the source of their funds, and that no repayment is expected is standard practice, and it matters more than people expect if the money later shows up in a mortgage application. The bank doesn’t technically require any of this to accept the deposit, but having it ready cuts off follow-up questions and creates a paper trail that protects you if the IRS ever compares your deposits to your reported income.
Organizing the bills helps the transaction move faster. Sort them by denomination and band them together. Fewer counting errors, less time at the window.
Handing the Money to the Teller
Go inside the branch. ATMs technically accept cash, but most cap the number of bills you can insert per transaction, often around 40 notes, which makes them impractical for a five-figure deposit.2Chase. Can You Deposit Cash at an ATM The teller runs the cash through a counter, verifies the total, and posts it to your account.
Expect questions. The teller has to fill in the CTR fields covering your occupation, the source of the cash, and whether you’re depositing on someone else’s behalf. Give specific answers. “Sold a 2019 Honda Accord to a private buyer” is a better answer than “vehicle sale.” Vague responses are one of the things that prompt banks to look harder at a transaction.
Get a printed receipt before you leave and confirm the amount matches. Fixing a discrepancy at the counter takes a minute. Fixing one from home a week later is a different problem entirely.
Depositing Into a Joint Account
Cash over $10,000 going into a joint account puts every account holder on the CTR, even the ones who aren’t at the branch. Every joint holder has access to the funds, so every joint holder is treated as a party to the transaction.3Financial Crimes Enforcement Network. Frequently Asked Questions Regarding the FinCEN Currency Transaction Report (CTR) Bring the other holder’s full legal name and Social Security number, or the bank will have to look them up and slow the process down.
Business Deposits
The reporting rule is the same whether the cash arrives at the counter, through a night deposit box, or by armored car. Any single cash deposit over $10,000 generates a CTR. Many commercial accounts also charge cash-handling fees of roughly $0.10 to $0.30 per $100 once monthly deposits pass a threshold that typically falls between $5,000 and $7,500. If your business runs meaningful cash volume, ask the bank for its specific fee schedule and whether a different account tier fits better.
The $10,000 Report Is Routine
Federal regulations require every bank, credit union, and similar financial institution to file a Currency Transaction Report for any cash transaction above $10,000.4eCFR. 31 CFR 1010.311 – Filing Obligations for Reports of Transactions in Currency The report goes electronically to the Financial Crimes Enforcement Network (FinCEN), a bureau within the Treasury Department, and the bank has 15 calendar days to file it and must keep a copy for five years.5eCFR. 31 CFR 1010.306 – Filing of Reports
Banks file thousands of CTRs every day for completely ordinary transactions: car sales, inheritances, business receipts, saved wages. A CTR by itself is not an investigation and it is not an accusation. The paperwork happens in the background. Your part is finished once you sign the deposit slip.
Do Not Split the Deposit
Federal law makes it a crime to break a cash deposit into smaller amounts to keep any single one under the $10,000 reporting threshold.6Office of the Law Revision Counsel. 31 USC 5324 – Structuring Transactions to Evade Reporting Requirement Prohibited The offense is called structuring, and it applies even when every dollar is legally earned. The crime is the evasion, not the source. Depositing $9,500 on Monday and $9,500 on Tuesday to avoid paperwork is structuring, and it is a federal felony.
A basic structuring conviction carries up to five years in prison and a fine.6Office of the Law Revision Counsel. 31 USC 5324 – Structuring Transactions to Evade Reporting Requirement Prohibited If the pattern involves more than $100,000 within a 12-month period or overlaps with another federal offense, the maximum doubles to ten years. On top of the criminal exposure, the government can seize the money through civil or criminal forfeiture, sometimes before a conviction and sometimes without one.7U.S. Department of the Treasury. 31 USC 5317 – Search and Forfeiture of Monetary Instruments
This is where people with clean money get themselves into real trouble. Someone sells a boat for $20,000, feels uneasy about a big deposit, and spreads it across three visits in a week. The money was fine. The intent to avoid the report was not. Banks also file Suspicious Activity Reports when they notice patterns that look like structuring, and federal law prohibits the bank from telling you a SAR has been filed. You won’t get a call or a letter. The first sign might be a federal agent at the door months later. Deposit the full amount, answer the questions, and move on.
How Same-Day Deposits Add Up
The threshold is not per deposit. It is per person, per business day. If you drop off $6,000 in the morning and another $5,000 in the afternoon, the bank aggregates the two and files a CTR for the combined $11,000.8Financial Crimes Enforcement Network. Currency Transaction Report Aggregation for Businesses with Common Ownership The rule applies even when the deposits go into different accounts at the same bank, as long as the bank knows the same person made both.
Multiple businesses under common ownership can also be aggregated. Separately incorporated entities are treated independently by default, but if the bank sees shared employees, a shared address, or commingled funds, it will combine their transactions into one report. Spreading cash across accounts at the same institution does not keep any of it below the radar.
When You Can Use the Money
Federal Regulation CC requires banks to make cash deposited in person to a teller available by the next business day.9eCFR. 12 CFR Part 229 – Availability of Funds and Collection of Checks (Regulation CC) Cash deposited through an ATM or another method without a bank employee involved extends to two business days. The extended-hold “large deposit exception” that applies to big check deposits does not apply to cash. Even a $50,000 cash deposit made at the counter is available the following business day.
“Business day” means Monday through Friday, excluding federal holidays. Cash you deposit late Friday afternoon posts for use on Monday, or Tuesday if Monday is a holiday.
Keep Your Own Records
After the deposit clears, hold onto the deposit receipt, any source documentation, and a bank statement showing the transaction. The bank keeps its CTR record for five years, and FinCEN can pull those records anytime in that window.5eCFR. 31 CFR 1010.306 – Filing of Reports The IRS also has access to CTR data and can compare your cash deposits against your reported income, so if $80,000 in deposits meets $45,000 in reported income, the gap will draw scrutiny. Documentation that explains the source (a bill of sale, an inheritance record, a gift letter) resolves those questions quickly. Keep the records for at least three years after you file the tax return covering the year of the deposit, which is the standard IRS audit window.