Most banks ask you to keep the paper check for 5 to 14 days after a mobile deposit, then destroy it once the deposit has fully posted. The exact window is set by your bank’s mobile deposit agreement, and some institutions require you to hold the original for as long as 90 days. Checks that document tax-deductible expenses or reported income are a separate matter and should be kept, or scanned and stored, for years.
The 5 to 14 Day Window
No federal law fixes a single retention period for consumers. Each bank sets its own rule through the mobile deposit terms you accepted when you enrolled. In practice, most major banks land somewhere between 5 and 14 days. Some frame it as a minimum (“hold the check at least 5 days”), and others set a firm window that also caps the outside date.
The point of the waiting period is verification. The bank needs time to read the image, confirm the deposit was accepted, and move the funds through the clearing system. If the image is rejected, the deposit bounces, or the check writer disputes the payment, the original is your fallback. Once the deposit fully posts with no problems, the paper check has done its job.
Check Your Bank’s Mobile Deposit Agreement
Your specific obligation lives in your Deposit Account Agreement or Mobile Deposit User Agreement. That contract defines how long you must keep the original, what condition it has to be in, and how you should destroy it. Individual bank policies run from as few as 5 days to as many as 90 days, so the only reliable answer for your account comes from reading your bank’s terms. You can usually find them in the help or FAQ section of the mobile app, or by searching the bank’s website for “mobile deposit terms.”
Ignoring the terms has consequences. Banks can suspend your mobile deposit access, reverse the deposited funds, or hold you responsible for losses if you cannot produce the original check on request.
Wait Until the Deposit Actually Clears
A common mistake is treating “funds available” as “deposit cleared.” They are not the same thing. Federal law, specifically Regulation CC, sets a schedule for when your bank must let you use the money, and that schedule runs faster than the actual settlement between banks.
Under Regulation CC, at least $275 of a check deposit generally must be available by the next business day. Local checks must be available by the second business day, and nonlocal checks can be held until the fifth. Those deadlines govern what you can spend. They do not confirm the check writer’s bank has actually paid.
Regulation CC also allows longer holds in specific situations: deposits above $6,725 in a day, new accounts open less than 30 days, redeposited items, and cases where the bank has reasonable cause to doubt the check will be paid. In a new account, funds above $6,725 may be held until the ninth business day.
Because settlement can trail availability, a deposit that looks final can still be reversed. If the check bounces after the bank credited your account, the bank can pull the funds back through a chargeback. That is the core reason to keep the paper original in the first place: if the deposit reverses and the check is already shredded, you may have no way to redeposit or dispute it.
So the practical rule is to wait out your bank’s stated retention period and confirm in your transaction history that the deposit has fully posted before destroying anything.
Checks Tied to Taxes: Keep Them Much Longer
The 5-to-14-day window addresses your relationship with the bank. If a deposited check is also proof of income or a deductible expense, the IRS retention rules apply on top, and they are considerably longer.
- Three years: the standard period for the IRS to assess additional tax runs three years from the date you filed. Returns filed early are treated as filed on the due date.
- Six years: if you fail to report more than 25% of your gross income, or if unreported income is tied to foreign financial assets exceeding $5,000, the IRS has six years.
- No limit: if you file a fraudulent return or fail to file, there is no time limit on assessment.
If a mobile-deposited check supports a business expense, charitable contribution, medical payment, or other item on your return, keep either the original or a clear digital copy for at least three years from your filing date, and six if there is any chance of underreporting. The IRS accepts digitized records when the electronic version is a reliable reproduction stored in a way that prevents unauthorized changes. Scanning the check before you shred it lets you satisfy both the bank’s destruction rule and the IRS’s documentation rule.
Marking and Destroying the Check
When your bank’s retention period has passed and the deposit shows as fully posted, destroy the original. The goal is to make the document unusable, so no one, including you by accident, can present it again.
Before shredding, write “VOID” in large letters across the front, or mark it “Electronically Deposited” with the date. That adds a layer of protection during the days between deposit and destruction. Then:
- Use a cross-cut shredder, which cuts in two directions and makes reassembly nearly impossible.
- Make sure the routing number, account number, signature, payee name, and dollar amount are all destroyed.
- Shred the whole check in one session rather than tearing it in half and throwing pieces away separately.
If you do not own a shredder, some banks and office supply stores host free shredding events. Scissors used to cut repeatedly through the data lines are a last resort.
Why Destroying It Matters
A check that has already been deposited digitally is a security liability. It carries your name, address, routing number, and account number, plus the same information for the check writer. The FDIC has warned that mishandling deposited items containing nonpublic personal information raises the risk of identity theft.
Holding the paper also creates a double-deposit risk, whether by accident or by someone else who gets hold of it. The digital image is already in the banking system, so a second presentment will trip fraud detection. Untangling the resulting holds, reversals, and investigations is slow and stressful even when you did nothing wrong.
Depositing the same check twice, whether at a branch, an ATM, or through a second bank’s app, is treated as fraud. Under federal law, anyone who executes a scheme to defraud a financial institution or obtain bank funds through false representations faces a fine of up to $1,000,000, imprisonment of up to 30 years, or both. Even an honest duplicate can lead the bank to reverse the deposit, charge fees, and close the account. A check that no longer physically exists cannot be deposited a second time.
If a Mobile Deposit Is Returned
If a deposit comes back for insufficient funds or another reason, your bank will typically notify you and may return the check image or a substitute check. A substitute check that meets Check 21 standards is a printed copy that can legally be used the same way as the original, so you are not stranded if you already shredded the paper. If you still have the original and confirm with the check writer that funds are now available, you can attempt to redeposit.
If neither the original nor a substitute check is available, contact the person who wrote the check and ask for a replacement. Banks may charge a returned-item fee, and resolving a return without the original document generally takes longer and may require additional paperwork.