Table of Contents
| General Instructions |
| Specific Instructions |
Section references are to the Internal Revenue Code unless otherwise noted.
General Instructions Return to top
Purpose of Form Return to top
Complete Form 945-V if you're making a payment with Form 945. We will use the completed voucher to credit your payment more promptly and accurately, and to improve our service to you.
Making Payments With Form 945 Return to top
To avoid a penalty, make your payment with your 2025 Form 945 only if:
- Your total taxes for the year (Form 945, line 3) are less than $2,500 and you're paying in full with a timely filed return, or
- You're a monthly schedule depositor making a payment in accordance with the Accuracy of Deposits Rule. See section 11 of Pub. 15 for details. In this case, the amount of your payment may be $2,500 or more.
Caution! Use Form 945-V when making any payment with Form 945. However, if you pay an amount with Form 945 that should've been deposited, you may be subject to a penalty. See Deposit Penalties in section 11 of Pub. 15.
Specific Instructions Instructions Return to top
Box 1 - Employer identification number (EIN). top If you don't have an EIN, you may apply for one online by going to www.irs.gov/EIN. You may also apply for an EIN by faxing or mailing Form SS-4 to the IRS. If you haven't received your EIN by the due date of Form 945, write "Applied For" and the date you applied in this entry space.
Box 2 - Amount paid. top Enter the amount paid with Form 945.
Box 3 - Name and address. top Enter your name and address as shown on Form 945.
- Enclose your check or money order made payable to "United States Treasury." Be sure to enter your EIN, "Form 945," and "2025" on your check or money order. Don't send cash. Don't staple Form 945-V or your payment to the return (or to each other).
- Detach Form 945-V and send it with your payment and Form 945 to the address provided in the Instructions for Form 945.
Note: You must also complete the entity information above line A on Form 945.