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. That’s the short answer to how long to keep checks after mobile deposit, but your bank’s own agreement sets the exact window, and a check that documents a tax-deductible expense needs to be kept far longer. Get rid of it too soon and you lose your only fallback if something goes wrong; keep it too long and you’re sitting on a document that still contains every piece of information needed to drain the account it was drawn on.
The 5 to 14 Day Window
No federal law fixes a specific number of days. Each bank sets its own retention period through its mobile deposit terms, and most major banks land somewhere between 5 and 14 days. Some frame it as a minimum (“hold for at least 5 days”), others as a firm window (“keep at least 5, destroy by 14”).
The reason for the wait is mechanical. The bank needs time to verify the image, confirm the deposit was accepted, and move the funds through the clearing system. If the image is blurry, the deposit is rejected, or the check writer disputes it, the paper original is your fallback. Once the deposit has fully posted and no problems have surfaced, the check has done its job.
Check Your Bank’s Mobile Deposit Agreement
Your specific obligation is written into the Deposit Account Agreement or Mobile Deposit User Agreement you accepted when you enrolled. That document tells you how long to keep the original, what condition it must be in, and how to destroy it. Individual bank policies run from as few as 5 days to as many as 90, so reading your own agreement is the only way to know for certain.
Ignoring those terms carries real consequences. Banks can suspend your mobile deposit access, reverse the funds, or hold you responsible for losses tied to your inability to produce the original on request. The policy is usually available in the help or FAQ section of your bank’s mobile app, or by searching the bank’s site for “mobile deposit terms.”
Wait Until the Deposit Actually Clears, Not Just Posts
One of the most common mistakes is treating funds availability as final settlement. Your balance going up doesn’t mean the check has cleared. Federal law, specifically Regulation CC, requires your bank to make funds available on a set schedule, and that schedule runs faster than the actual clearing process between banks.
Under Regulation CC, your bank generally must make at least $275 of a check deposit available by the next business day. The rest follows a schedule based on the check type, and those deadlines cover what you can spend, not whether the issuing bank has actually paid.
The bank can also extend those timelines. Deposits over $6,725 in a single day, new accounts (open less than 30 calendar days), redeposited checks that previously bounced, and checks the bank has reasonable cause to doubt can all sit under longer holds. For a new account, funds above $6,725 may not be available until the ninth business day.
Because of these extensions, a deposit that looks settled can still be reversed. If the check bounces after your bank has already credited the account, the bank pulls the money back through a chargeback. That is the core reason to keep the paper original: if the deposit reverses and the check is already shredded, you may have no way to redeposit or dispute.
Keep Tax-Related Checks Much Longer
The 5-to-14-day window is about your banking relationship. If a check supports something on your tax return, IRS retention rules take over, and they run in years rather than days. The IRS requires you to keep records that support items on your return, including canceled checks, for as long as they could matter to an audit.
- Three years is the standard period the IRS has to assess additional tax, running from the date you filed. Returns filed early are treated as filed on the due date.
- Six years applies if you failed to report more than 25% of your gross income, or if unreported income is tied to foreign financial assets exceeding $5,000.
- No time limit applies if you filed a fraudulent return or didn’t file at all.
If a mobile-deposited check documents a business expense, charitable contribution, medical payment, or any other deduction, keep the original or a clear digital copy for at least three years from your filing date, and six if there’s any chance of underreported income. The IRS accepts digitized records as valid documentation, as long as the electronic version is a reliable reproduction stored in a way that prevents unauthorized changes.
How to Destroy the Check When the Window Closes
Once the 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 deposit it again.
Before you shred it, write “VOID” in large letters across the front, or mark it “Electronically Deposited” with the date. That gives you an extra layer of protection during the days between deposit and destruction. When it’s time to destroy the check:
- 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 completely destroyed.
- Shred the whole check in one session. Don’t tear it in half and throw the pieces away at different times.
If you don’t have a shredder, some banks and office supply stores hold free shredding events. Scissors through the data lines multiple times is a last resort.
Why the Timing Matters
A deposited check sitting in a drawer is a security liability. It carries your name, address, routing number, and account number, along with the same details for whoever wrote it. The FDIC has warned that improper handling of deposited items containing nonpublic personal information increases identity theft risk.
Holding the original also creates a double-deposit risk, whether accidental or through someone else getting hold of the check. Because the digital image is already in the banking system, a second presentment triggers fraud detection, and untangling the resulting holds and investigations is stressful even when you’re the innocent party.
Depositing the same check twice, whether via mobile and then at a branch, or into two different bank apps, is treated as fraud. Under federal law, executing a scheme to defraud a financial institution or obtain bank funds through false representations carries a fine of up to $1,000,000, imprisonment of up to 30 years, or both. Even honest mistakes can lead the bank to reverse the duplicate, charge fees, and close your account. A check that no longer physically exists cannot be deposited twice.
If the Deposit Comes Back After You’ve Shredded It
If a mobile deposit is returned 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, a printed copy that meets Check 21 standards, can legally be used the same way as the original. If you still have the paper original, you can attempt to redeposit after confirming funds are available with the person who wrote it.
If the original is destroyed and no substitute check is available, you’ll need to contact the check writer and ask for a replacement. Banks may charge a returned-item fee, and resolving the situation without the original document usually takes longer and involves additional paperwork.