Checks are drawn directly from your checking account, and the bank that holds your account controls whether they clear

When you write a check, you are instructing your bank to move money from your checking account to whoever you name on the check. The check itself is not the money—it is a written order. Your bank reads that order, verifies you have enough funds (or decides whether to cover it anyway), and transfers the amount to the recipient's bank. The check is linked to your account because your account number and routing number are printed on every check you order, and your bank uses those numbers to find the right account and subtract the right amount.

This link is permanent and automatic. You cannot write a check from an account that is not yours, and you cannot write a check without a checking account to back it up. If your account is closed, checks you have already written may still clear if they arrive at the bank before closure is final—but new checks will be rejected because there is no account to draw from.

Key Takeaways

  • Your account number and routing number are printed on every check, which is how your bank knows which account to deduct money from.
  • A check clears when your bank receives it, verifies the signature and amount, and transfers funds to the recipient's bank—this usually takes three to five business days.
  • If you do not have enough money in your account when a check clears, your bank may reject it (marked "insufficient funds") or cover it and charge you an overdraft fee.
  • Stopping payment on a check requires contacting your bank directly and usually costs a fee, and the stop may not work if the check has already cleared.
  • Checks remain linked to your account even after you close it, so outstanding checks can still clear against a closed account for a limited time.

How your bank identifies which account a check belongs to

The routing number printed on your check identifies your bank. The account number identifies your specific account within that bank. When a check arrives at a processing center, a machine reads these numbers and routes the check to your bank's system. Your bank then looks up the account, confirms it exists and is active, and checks the signature against the one on file. If everything matches, the bank deducts the amount from your balance and sends the money to the recipient's bank.

This is why checks from different banks look different—each bank prints its own routing number on its checks. If you switch banks, your new checks will have a different routing number, and old checks from your previous bank will no longer work because they will route to the wrong institution.

What happens when a check clears

Clearing is the process that actually moves the money. When you hand someone a check, they deposit it at their bank. Their bank sends it to a clearing house, which routes it to your bank based on the routing number. Your bank verifies the account exists, checks that you have enough money (or decides to cover it), and deducts the amount. The recipient's bank then credits their account. This whole process usually takes three to five business days, though some banks now clear checks faster.

Until a check clears, the money is still in your account—you can still spend it. Once it clears, it is gone. This is why you should not assume a check has cleared just because you wrote it. If you write a check on Monday and the recipient does not deposit it until Friday, your account will show the full balance until the check actually processes, which might not happen until the following week.

What happens if you do not have enough money when a check clears

If your account does not have enough funds when a check arrives for clearing, your bank has two choices: reject the check or cover it. Most banks reject checks marked "insufficient funds" or "non-sufficient funds" (NSF). The check bounces, meaning it is returned to the recipient's bank unpaid, and the recipient is notified that the check failed. You are usually charged a returned-check fee by your bank, and the recipient may also charge you a fee for the bounced check.

Some banks offer overdraft protection, which automatically covers checks even if your balance is negative. If you have this service, the check will clear, but you will owe your bank the overdraft amount plus an overdraft fee. Overdraft fees are typically $25 to $35 per transaction. You can turn off overdraft protection if your bank offers it, which means checks will bounce instead of overdrawing your account.

Stopping payment on a check you have already written

If you realize you made a mistake on a check or you want to cancel it, you can ask your bank to stop payment. Call your bank's customer service line and provide the check number, amount, recipient name, and the date you wrote it. Your bank will place a stop-payment order on that check. If the check has not yet cleared, your bank will reject it when it arrives. If the check has already cleared, the stop-payment order cannot undo it—the money is already gone.

Stop-payment orders usually cost $25 to $35 and are valid for six months. After six months, the order expires and your bank will no longer block the check if it somehow arrives late. This is rare, but it can happen if a check gets lost in the mail and resurfaces months later. If you need the stop-payment to last longer, you can renew it before it expires.

What happens to checks when you close your checking account

Closing your account does not when ready invalidate checks you have already written. If someone deposits a check after you close the account, your bank will still process it if the account closure is recent enough. Banks typically honor checks for a limited time after closure—usually 30 to 90 days, depending on the bank's policy. After that window, checks will be rejected because the account no longer exists.

This is why you should wait until you are certain all outstanding checks have cleared before closing an account. If you have written checks that have not yet been deposited, contact the recipients and ask them to deposit quickly, or ask your bank how long it will honor checks after closure. Some banks will continue to process checks indefinitely if you keep a small balance in the account, so closing completely may not be necessary if you are just trying to stop using the account.

Why banks link checks to accounts instead of to people

Checks are linked to accounts rather than to people because the account is what holds the money. Your bank's job is to make sure the right money leaves the right account. If checks were linked to you personally instead of to your account, a bank would have no way to know which of your accounts to deduct from if you have multiple checking accounts. By printing your account number on every check, the bank ensures that money always comes from the correct source.

This also protects you. If someone steals a blank check from you, they cannot use it to access your savings account or any other account—only the checking account printed on that check. The account number on the check is not secret (it appears on every check you write), but it is specific enough that a thief would need both the account number and a forged signature to successfully cash a stolen check.

Frequently Asked Questions

Can I write a check from a savings account?

No. Checks are only available on checking accounts. Savings accounts do not come with checks because they are designed for deposits and withdrawals, not for regular payments to third parties. If you need to pay someone from savings, you can transfer money to your checking account first and then write a check, or use a wire transfer or ACH transfer instead.

What if someone writes a check on my account without permission?

Contact your bank when ready and report the unauthorized check. Your bank will investigate and may reverse the transaction if it was fraudulent. You are protected under federal law (Regulation E) for unauthorized electronic transfers, though checks are not technically electronic. However, most banks will work with you to resolve fraudulent checks. Report it as soon as you notice it, and keep records of all communication with your bank.

Do I need to have a specific amount of money in my account to order checks?

No. You can order checks even if your account balance is zero. The bank does not verify your balance when you order checks—it only checks your balance when a check actually clears. However, if you write checks when you have no money, they will bounce and you will face fees.

Can a check clear if my account is frozen?

No. If your account is frozen due to a court order, tax levy, or bank hold, checks will not clear even if you have enough money. The freeze prevents any money from leaving the account. You will need to resolve the freeze with your bank or the entity that placed it before checks can process again.

How long does a check stay linked to my account after I close it?

Your bank will typically honor checks for 30 to 90 days after you close the account, though this varies by bank. After that window, checks will be rejected. If you have outstanding checks, ask your bank for its specific policy before closing, or keep a small balance in the account until all checks have cleared.