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Deposit Slip Explained: What It Is and How It Works

Deposit slips still back up your cash and check deposits at the teller window, but mobile apps and modern ATMs are quietly…

A deposit slip is a paper form you fill out at the bank that records your name, account number, the date, and a breakdown of the cash or checks you are handing over, so the transaction gets credited to the right place.

At a Glance

  • Deposit slips list the depositor's name, account number, date, and an itemized total of cash and checks.
  • Banks use them to keep an internal ledger; customers use them as proof the money was handed over.
  • Pre printed slips in checkbooks already carry your account and routing numbers.
  • Federal law requires banks to keep deposit records for at least five years on deposits over $100.
  • Mobile deposit and ATM technology are making paper slips less necessary.

How Filling Out a Deposit Slip Actually Works

Most branches keep a stack of blank slips near the counter, each with blank fields for the deposit details. You fill one out before you ever reach the teller window. If you're using a blank slip rather than one from your checkbook, you have to write your account number in the space provided at the bottom, since that's how the bank knows which account should receive the funds.

The slip also asks you to note whether you're depositing cash, checks, or both, and whether you want any cash back from the total. Once you hand it over, the teller checks the money and checks against what you wrote down, processes everything together, and hands you a printed receipt as confirmation.

Checkbooks typically come with a set of these slips tucked in the back, already printed with your account number and your bank's routing number. That saves you from writing those two numbers by hand every time. All you have to add is what you're depositing that day.

Why the Deposit Slip Still Matters to Both Sides

For the bank, deposit slips create a running log throughout the day, a way to confirm that every dollar taken in at the counter matches up with what gets recorded. For the customer, the slip works more like a safeguard: it's evidence that you handed over a specific amount, useful if the deposit later shows up wrong on your statement.

There's a nuance worth knowing. The receipt you get back only shows the total deposited, not the itemized breakdown. If a dispute comes up and you need to show exactly which checks or bills made up that total, you can ask your bank for a copy of the original slip.

Deposit Slips Versus the Newer, Paperless Options

Plenty of customers now skip the paper slip entirely. Most major banks let you deposit checks by photographing them through a mobile banking app, a process that usually requires enrolling with the bank first and may come with a daily or monthly deposit cap. ATMs have also evolved to accept cash and checks directly, crediting the account electronically without any slip at all.

A bank teller counts cash next to a deposit slip at the counter.
MethodPaper Slip NeededTypical Limitation
Teller deposit (branch)YesRequires an in person visit during business hours
Mobile check depositNoEnrollment required; deposit limits may apply
ATM depositNoCash and check acceptance varies by machine

What a Routing Number Has to Do With Your Slip

Every deposit slip, printed or blank, is tied to a nine digit routing number that identifies your specific bank to other financial institutions. If you're using a slip from your checkbook, that number is already printed on it. Pick up a blank slip at the branch instead, and it may still list the bank's routing number, though you'll need to fill in your own account number by hand.

How Long Banks Actually Keep These Records

Federal law requires banks to retain records of any deposit over $100 for a minimum of five years, though banks can choose to hold onto them longer. In practice, almost none of that recordkeeping happens on paper anymore. Banks store these records digitally, which is part of why paper deposit slips are gradually becoming less central to how banking works day to day.