Form   8879-EX                              IRS e-file Signature Authorization 
(Rev. December 2010)                        for Forms 720, 2290, and 8849                                              OMB No. 1545-2081
                            For the period beginning               , 20 , and ending                          , 20
Department of the Treasury                                                                                           .
Internal Revenue Service               ▶ Do not send to the IRS. Keep for your records.  ▶ See instructions.
Name (as shown on Forms 720, 2290, or 8849)                                                      Taxpayer identification number 

Part I      Type of Return and Return Information (Whole dollars only) 
Check the box for the return for which you are using this Form 8879-EX and enter the applicable amount from the return. If you check 
the box on lines 1a, 2a, or 3a, below, and the amount on that line for the return for which you are filing this form was blank, leave lines 
1b, 1c, 2b, or    3b,    whichever is applicable, blank (do not enter -0-). However, if you entered -0- on the return, enter -0- on the 
applicable line below. Do not complete more than one line in Part I. 

1  a   Form 720 check here    ▶             b        Balance due, if any (Form 720, Part III, line 10)  . . .     1b 
                                            c        Overpayment, if any (Form 720, Part III, line 11)    . .     1c 

2  a   Form 2290 check here  ▶              b        Balance due (Form 2290, line 6) .    . . .   .       . .     2b 

3  a   Form 8849 check here  ▶              b        Total refund (from Schedules 1, 2, 3, 5, 6, or 8)    . .     3b 

Caution. For line 3b, Schedules 2, 3, 5, and 8 cannot be combined with any other schedules. File a separate Form 8879-EX  
for each schedule. 
Part II     Taxpayer Declaration and Signature Authorization 

Under penalties of perjury, I declare that I have examined a copy of my electronic return and accompanying schedules and statements for the 
period shown above and to the best of my knowledge and belief, they are true, correct, and complete. I further declare that the amounts in 
Part I above are the amounts shown on the copy of my electronic return. I consent to allow my electronic return originator (ERO), transmitter, 
or intermediate service provider to send my return to the IRS and to receive from the IRS   (a)  an acknowledgement of receipt or reason for 
rejection of the transmission, (b) the reason for any delay in processing the return or refund, and (c) the date of any refund, that are required 
for electronic returns processing. If applicable, I authorize the U.S. Treasury and its designated Financial Agent to initiate an electronic funds 
withdrawal (direct debit) entry to the financial institution account indicated in the tax preparation software for payment of the federal taxes 
owed on this return, and the financial institution to debit the entry to this account. To revoke a payment, I must contact the U.S. Treasury 
Financial Agent at       1-888-353-4537 no later than two business days before the payment (settlement) date. I also authorize the financial 
institutions involved in the processing of the electronic payment of taxes to receive confidential information necessary to answer inquiries and 
resolve issues related to the payment. I have selected a personal identification number (PIN) as my signature for the electronic return and, if 
applicable, my consent to electronic funds withdrawal. 
Taxpayer’s PIN: check one box only 
         I authorize                                                                 to enter my PIN                              as my signature
                                                     ERO firm name                                          do not enter all zeros
         on my electronically filed return and, if filing Form 2290, the Consent to Disclosure of Tax Information. 
         I will enter my PIN as my signature on my electronically filed tax return or request for refund. Check this box 
         only if you are entering your own PIN and your return or request is filed using the Practitioner PIN method. The 
         ERO must complete Part III below. 
Taxpayer’s signature ▶                                                                                      Date ▶

Part III    Certification and Authentication

ERO’s EFIN/PIN. Enter your six-digit EFIN followed by your five-digit self-selected PIN. 
                                                                                                                  do not enter all zeros 
I certify that the above numeric entry is my PIN, which is my signature on the electronically filed return for the taxpayer  indicated 
above. I confirm that I am submitting this return in accordance with the requirements of Pub. 3112, IRS e-file Application and 
Participation, and Pub. 4163, Modernized e-File (MeF) Information for Authorized IRS e-file Providers for Business Returns. 

ERO’s signature ▶                                                                           Date ▶

                                            ERO Must Retain This Form — See Instructions  
                               Do Not Submit This Form to the IRS Unless Requested To Do So

For Paperwork Reduction Act Notice, see instructions.                   Cat. No. 49632M                           Form 8879-EX (Rev. 12-2010) 

Form 8879-EX (Rev. 12-2010)                                                                                                     Page  2 
Purpose of Form                                                    • Return the completed Form 8879-EX to the ERO by hand  
                                                                   delivery, U.S. mail, private delivery service, or fax. 
Use Form 8879-EX if you and the electronic return originator  
(ERO) want to use a personal identification number (PIN) to        Note. Your return will not be transmitted to the IRS until the  
electronically sign an electronic excise tax return or request for ERO receives the signed Form 8879-EX. 
refund. 
                                                                   Important Notes for EROs 
If applicable, Form 8879-EX is also used to authorize an  
electronic funds withdrawal. If you do not use Form 8879-EX to     • Do not send Form 8879-EX to the IRS unless requested to do 
sign your return, you must use Form 8453-EX, Excise Tax            so. Retain the completed Form 8879-EX for 3 years from the 
Declaration, for an IRS e-file Return. For more information, see   return due date or IRS received date, whichever is later. 
the instructions for Form 8453-EX.                                 • Enter the taxpayer’s PIN on the input screen only if the  
Do not send this form to the IRS. The ERO must retain              taxpayer has authorized you to do so. 
Form 8879-EX.                                                      • Provide the taxpayer with a copy of the signed Form 8879-EX 
                                                                   upon request. 
ERO Responsibilities 
                                                                   • Provide the taxpayer with a corrected copy of Form 8879-EX if 
The ERO will:                                                      changes are made to the return (for example, based on the 
• Enter the name and taxpayer identification number as shown       taxpayer’s review). 
on Forms 720, 2290, or 8849.                                       • See Pub. 4163, Modernized e-File (MeF) Information for  
• Complete Part I by checking the box for the type of return       Authorized IRS e-file Providers for Business Returns. 
being filed and using the amounts (zeros may be entered when 
appropriate) from the return being filed.                          Paperwork Reduction Act Notice. We ask for the information 
• Enter on the authorization line in Part II the ERO firm name     on this form to carry out the Internal Revenue laws of the United 
(not the name of the individual preparing the return) if the ERO   States. You are required to give us the information. We need it 
is authorized to enter the taxpayer’s PIN.                         to ensure that you are complying with these laws and to allow 
                                                                   us to figure and collect the right amount of tax. 
• Give the taxpayer Form 8879-EX for completion and review. 
This can be done by hand delivery, U.S. mail, private delivery     You are not required to provide the information requested on 
service, email, or Internet website.                               a form that is subject to the Paperwork Reduction Act unless 
                                                                   the form displays a valid OMB control number. Books or 
• Complete Part III, including a signature and date.               records relating to a form or its instructions must be retained as 
        Form 8879-EX must be completed and signed                  long as their contents may become material in the 
        before the electronic return is transmitted (or            administration of any Internal Revenue law. Generally, tax 
▲!      released for transmission).                                returns and return information are confidential, as required by 
CAUTION                                                            Internal Revenue Code section 6103. 
                                                                   The time needed to complete this form will vary depending  
Taxpayer’s Responsibilities                                        on individual circumstances. The estimated average time is: 
The taxpayer filing Forms 720, 2290, or 8849 has the following     Recordkeeping       . . . .    .   . . .    . .   .    .  52 min. 
responsibilities. 
                                                                   Learning about the law   
• Verify the type of return being filed in Part I.                 or the form  . .    . . . .    .   . . .    . .   .    . .  6 min. 
• Verify the accuracy of the prepared return.                      Preparing, copying, assembling,                                           
• Check the appropriate box in Part II to either authorize the     and sending the form    . .    .   . . .    . .   .    . .   9 min. 
ERO to enter your PIN or to choose to enter it in person.          If you have comments concerning the accuracy of these time 
• Indicate or verify his or her PIN when authorizing the ERO to    estimates or suggestions for making this form simpler, we would 
enter it (the PIN must be five numbers other than all zeros).      be happy to hear from you. You can write to the Internal 
                                                                   Revenue Service, Tax Products Coordinating Committee, 
• Sign and date Part II.                                           SE:W:CAR:MP:T:T:SP, 1111 Constitution Ave. NW, IR-6526, 
                                                                   Washington, DC 20224. Do not send Form 8879-EX to this 
                                                                   address. Instead, keep it for your records.