How to Use an IRS Payment Voucher to Pay Taxes by Mail or Phone
What an IRS Payment Voucher Is and When You Need One
An IRS payment voucher is a form you send with a check or money order when you pay federal income taxes by mail. It tells the IRS which tax year the payment covers, your name, address, and Social Security number — the information they need to match your payment to your account. You do not need a voucher if you pay online through IRS Direct Pay, by phone, or through an approved payment processor; those methods link your payment to your account automatically.
You need a voucher when you are mailing a check or money order to the IRS. This includes payments on an unpaid tax bill, estimated quarterly taxes, or a balance due shown on your tax return. The voucher is a one-page form that comes with your tax return notice or bill, or you can print one from the IRS website.
The voucher is not required by law, but using one prevents delays. Without it, the IRS has to manually match your payment to your account, which can take weeks longer. If you mail a check without a voucher, the IRS will eventually credit it to your account, but you may receive notices about the unpaid balance in the meantime.
Key Takeaways
- An IRS payment voucher is a one-page form you include with a mailed check or money order to tell the IRS which tax year and account the payment covers.
- You can print a voucher from the IRS website or use the one that came with your tax notice or bill, but you do not need one if you pay online or by phone.
- Mailing a payment without a voucher will eventually be credited to your account, but it takes longer and may trigger collection notices.
- The voucher must include your name, address, Social Security number, tax year, and the amount you are paying.
Where to Find and Print Your Payment Voucher
If you received a tax bill or notice from the IRS, the payment voucher is usually included as a tear-off section at the bottom of the letter. Check the back of the notice first — many vouchers are printed on the reverse side. If you have the notice, use that voucher; it is already filled with your account information.
If you do not have a voucher, you can print one from the IRS website. Go to IRS.gov and search for "payment voucher" or navigate to the Forms section and look for Form 1040-V (for income tax) or the appropriate voucher for your tax type. You will need to fill in your name, address, Social Security number, the tax year, and the amount you are paying. Print the form on white paper and use black or blue ink.
If you are paying an estimated quarterly tax, the IRS provides a separate voucher form. The due dates for estimated taxes are April 15, June 15, September 15, and January 15 of the following year. You can find the estimated tax voucher on IRS.gov as well.
How to Fill Out the Voucher Correctly
The voucher has only a few lines to complete. Write your name and current address exactly as they appear on your tax return. Use your Social Security number, not an employer identification number, unless you are a business paying corporate taxes. Write the tax year the payment covers — for example, "2024" if you are paying a 2024 tax bill.
Enter the amount you are paying in the box labeled "Amount Enclosed." Write the amount in dollars and cents. If you are paying multiple years or multiple types of taxes, you will need a separate voucher for each payment. Do not combine payments on one voucher.
Sign and date the voucher if the form requires it, though many versions do not. Make a copy for your records before you mail it. Keep the copy with your bank statement or cancelled check as proof of payment.
Mailing Your Payment with the Voucher
Write your check or money order for the exact amount shown on the voucher. Make it payable to "United States Treasury." Do not make it payable to the IRS or to a specific person. Write your Social Security number on the back of the check in the memo line.
Place the voucher on top of your check and mail both together in an envelope. Do not staple or tape the voucher to the check; simply place them together. The IRS address for mailing payments depends on your state and the type of tax you are paying. The address is printed on the voucher itself, or you can find it on IRS.gov under "Where to File."
Mail your payment at least one week before the due date to account for postal delays. The IRS considers a payment on time if it is postmarked by the due date, even if it arrives later. Keep your cancelled check or money order receipt as proof of payment. The IRS processes mailed payments slowly — allow four to six weeks for the payment to appear on your account.
What Happens After You Mail Your Payment
When the IRS receives your mailed payment, it is scanned and entered into the system. The voucher helps the IRS match the payment to your account quickly. You should see the payment reflected in your online IRS account within four to six weeks. You can check the status of your payment by logging into your IRS account at IRS.gov or by calling the IRS at 1-800-829-1040.
If you do not see the payment after six weeks, contact the IRS with your cancelled check or money order receipt. Have your Social Security number, the tax year, and the amount ready. The IRS can trace the payment and confirm it was received.
If you mailed a payment without a voucher, the IRS will still credit it to your account, but it takes longer — sometimes eight to twelve weeks. During that time, you may receive notices about an unpaid balance. These notices do not mean your payment was lost; they are generated before the payment is posted. Once the payment is credited, the notices stop.
Alternatives to Mailing a Check with a Voucher
If you want to avoid the delay and uncertainty of mailing, you can pay online through IRS Direct Pay at IRS.gov. This method is free, immediate, and you can schedule a payment for a future date. The payment is posted to your account within one business day. You do not need a voucher for online payments.
You can also pay by phone by calling 1-800-829-1040 and speaking to an IRS representative. Payment by phone is free and immediate. A third option is to use an approved payment processor — the IRS website lists vendors that accept credit cards, debit cards, and electronic bank transfers. These processors charge a fee, but the payment is posted quickly.
If you owe a large amount and cannot pay in full, you can set up a payment plan with the IRS. A payment plan allows you to pay over time in monthly installments. You can set up a plan online, by phone, or by mail. A payment plan does not require a voucher; you arrange it separately through the IRS.
Common Mistakes to Avoid When Using a Payment Voucher
Do not write the payment amount on the voucher and a different amount on the check. The IRS will credit only the amount shown on the check. If the amounts do not match, contact the IRS to clarify which amount you intended to pay.
Do not mail multiple payments on one voucher. Each payment needs its own voucher, even if they are for the same tax year. Combining payments on one voucher can cause the IRS to credit only part of your payment or to hold the payment while they investigate.
Do not use a voucher from a previous year for a current payment. Tax year matters — the voucher must match the tax year you are paying for. Using an old voucher can delay posting and trigger collection notices.
Do not forget to include your Social Security number on both the voucher and the back of the check. Without this information, the IRS cannot match the payment to your account.
Frequently Asked Questions
Can I pay by credit card using a payment voucher?
No. Payment vouchers are only for mailed checks or money orders. If you want to pay by credit card, you must use an approved payment processor through IRS.gov. These processors charge a fee for credit card payments, but the payment is processed immediately and you do not need a voucher.
What if I lost my tax bill and do not have a voucher?
You can print a blank voucher from IRS.gov and fill it in yourself. You will need your Social Security number, current address, the tax year, and the amount you owe. If you are not sure of the amount you owe, log into your IRS account online or call 1-800-829-1040 to confirm the balance before you mail your payment.
Do I need a separate voucher for each quarterly estimated tax payment?
Yes. Each quarterly estimated tax payment requires its own voucher. The due dates are April 15, June 15, September 15, and January 15. You can print all four vouchers at once from IRS.gov and fill them in as each payment is due.
How long does it take for a mailed payment to show up on my IRS account?
Mailed payments typically appear in your IRS account within four to six weeks. This includes time for postal delivery, IRS scanning, and data entry. If you need the payment posted faster, use IRS Direct Pay or pay by phone instead — those methods post within one business day.
What if the IRS sends me a bill after I mailed my payment?
This is normal. The IRS generates bills and notices before mailed payments are posted to your account. Once your payment is credited, usually within four to six weeks, the notices stop. Keep your cancelled check or money order receipt as proof that you paid. If you receive a collection notice after your payment should have posted, contact the IRS with your proof of payment.