1120 C-Corp Extension Request Form

1120 Extension Request Form

Filing Deadlines & Extensions

The filing deadline for a return depends upon the type of entity that is filing. Regardless of which kind of entity is filing, all extensions must be filed with IRS, states and cities by the original due date of the return.

Entities Filing Calendar-Year Tax Returns
Entity Filing Return	Form Filed	Filing Deadline	Length of Extension	Extension Deadline
S-Corporation	1120S	March 17	6 Months	September 15
Partnership or Multimember LLC	1065	March 17	6 Months	September 15
C-Corporation	1120	April 15	6 Months	October 15
Trust or Estate	1041	April 15	6 Months	September 30
Individual	1040	April 15	6 Months	October 15
Non-Profit Organziation	990	May 15	6 Months	November 15

Entities Filing Fiscal-Year Returns
Entity filing Return	Form Filed	Filing Deadline	Length of Extension
Partnership or Multimember LLC	1065	15th day of third month following end of entity's tax year	6 Months
C Corporation	1120	15th day of third month following end of entity's tax year	6 Months
Estate	1041	15th day of third month following end of entity's tax year	5 ^1/2 Months
Non-Profit Organization	990	15th day of third month following end of entity's tax year	6 Months

Filing Deadline for Calendar-Year Corporations
Calendar-year corporations have an April 15 deadline. Extensions must be filed by the original due date of the return.. The extended due date for calendar-year corporations (not S corporations) is October 15.

An extension of time to file does not give you more time to pay tax. If you believe the corporation will owe money when it files, you should include the amount you think it will owe with the extension. You must pay tax owed with the extension via EFTPS.

Requesting the Extention

Complete this form if you would like Pacific Northwest Tax Service to file an extension of time to file your IRS and/or state tax return.

Submit a Separate Extension Request Form for Each Person or Business

If you require both business and personal extensions, you must submit a separate extension request for each personal or business return you need an extension for. If you have more than one business, complete a separate extension form for each business.

Fee

The fee charged for filing an extension is $80 for existing clients and $230 for new clients. The fee is in addition to the cost of tax preparation.

Your extension can be filed with our without calculating the amount of any taxes you might owe or refund you may be entitled to. The cost of determining whether you owe or have a refund is not included in the fee for filing an extension.

Required Information

We need specific information and your authorization before we file your extension. Please complete this form to provide the required information and to pay the associated fee for this service.

Business name*
Which of the following applies to you?*

PNW Tax has started work on my 2024 tax return, but I need more time.PNW Tax prepared my return in a prior year, but I have not brought my current year information to you.I am a new client.Other

The fee for filing an extension is $80 for current clients and $230 for new clients.*

Extension - Current ClientThis is the fee to file an electronic extension for an existing client for whom Pacific Northwest Tax Service filed a 2023 return, or who is currently working with staff to prepare your 2024 return. This fee covers the cost of filing the extension only, and is in addition to the cost of preparing the tax return or other service charges.

$80.00

Extension - New ClientThis is the fee to file an extension for a new client. Please pay this fee, provide all information requested in this Extension Request Form, and provide a copy of your photo ID.

$230.00

Total

$0.00

Credit Card

First Name

Last Name

Credit Card Number

Security Code

Expiration Month

Expiration Year

Billing Address

Street Address

Street Address Line 2

City

State / Province

Postal / Zip Code

Country

Name of person who is completing this form.*

First NameLast Name
Phone Number*
Please enter a valid phone number.
Email*
example@example.com
Business Address*

Street Address

Street Address Line 2

CityState / Province

Postal / Zip Code

1120 Corporation Extension Information
Name of the corporaton that needs an extension filed*
EIN of the business the corporation for which the extension is being filed*
Name of person who is authorized to sign the corporation's return.*

First NameLast Name
Title of authorized signer.*

PresidentSecretaryTreasurerOther
Social security number of the authorized signer of the return.*

State of Oregon Extensions
Making Payment to Oregon

Your Oregon return is automatically extended when you file a federal extension. There is no separate extension that is filed for Oregon, except where you will timely file a federal return, but need more time to file Oregon.

You can pay tax to Oregon in one of the following ways:
1. PNW Tax can provide you with a voucher which you will mail to the Oregon Department of Revenue with a check.
2. You can login to your Oregon Revenue Online account and pay your tax using this system.
3. Download a blank
  - Oregon Corporati on Payment Voucher Form OR-20V, then
  - Print the voucher then complete and then mail to the Oregon Department of Revenue with the minimum required payment of $150.
Please select one of the answers below to provide us with instructions on the filing of your Oregon extension.
Which of the following is true?*

The corporation had business activity inside Oregon.The corporation had no Oregon income, assets or employees.Other
Do you expect the corporation to owe tax to Oregon when the tax return is filed?*

YesNo
The corporation needs to pay any taxes it owes with this extension. How much tax do you want the corporation to pay to Oregon with this extension?*
Enter $0 if you do not want to send money to Oregon with this extension. Otherwise, enter the amount the corporation will pay to Oregon with this extension.
How will the Corporation pay taxes owed to Oregon for this extension?*

I will go to Oregon Revenue Online and make payment on their website.I will mail a check.The corporation is not making a payment with this extension.

City of Portland and Multnomah County Business Tax Return Extension
The City of Portland requires all business and rental property owners to file a business tax return. The City does NOT accept the federal extension. If you need more time to file, you must file a separate extension for the the City and you should submit payment of any tax due to the City with your extension.

File City Extension and Pay Tax by Mail

The filing deadline for this return is April 15, 2026. You can file an extension with the City of Portland by completing and mailing Portland Multnomah County Business Income Tax Extension Form.

Pay your business tax online

To pay your business tax, you must first register for a Revenue Division tax account. You will need a Pro.Portland.gov account to pay your business tax online.
Did the Corporation have business or rental income from inside the City of Portland or Multnomah County during the year?*

YesNo
Which of the following applies to the corporation's business and/or rental activities Everywhere?

Gross receipts from all activies everywhere (inside and outside Portland) were under $50,000.Gross receipts exceeded $50,000
How will the Corporation pay tax owed with this extension?

I will mail a checkI will pay online using the corporation's pro.portland.gov account
What is the amount of tax you want to pay to the City of Portland with this extension?*
Enter the amount of tax you will pay. Enter zero if you will not be making payment with the City of Portland extension.
What is the corporation's City of Portland the BZT number?*
The BZT number begins with BZT and is followed by 10 digits. If the corporation does not have a BZT number, visit pro.portland.gov to apply and write "I don't have a BZT" number in this space.

Metro SHS Tax Return Extension
Metro Selective Housing Services (SHS) Tax

Business with gross receipts over $5 million are required file a return and pay tax to Metro if they have business income from inside the Metro Services District.

Note: Metro covers nearly all of the Portland Metropolitan Area, including most of Multnomah, Washington and Clackamas counties. You can see if your business is inside Metro at this link.

Extensions

The City of Portland administers collection of the PFA and SHS taxes. You can pay your tax and file an extension on the City website, or you can mail a paper extension with a check.
Which of the following is true for the Corporation?*

The corporation's income is below $5 million, it does not need to file this return.The corporation has no business income from inside Metro and does not need to file the SHS return.The Corporation's income is over $5 million and it operates inside of Metro.
Will the corporation owe tax when it files its SHS return?

YesNo
Enter the amount of money the Corporation will pay with the SHS extension.*

Additional Information
You will need to mail a payment voucher with the check. How do you want to get the payment voucher?*

I will use the link above to print and complete the voucher myself.I would like PNW Tax to fill out the voucher and put it into my Portal.I will pick the voucher up at your 2100 NE Broadway office.I will pick the voucher up at your 13405 NW Cornell Road Office.I would like you to email the voucher to me.
Who on our staff is working to prepare your tax return?
Please use the space below to provide any other information you believe is important for us to know.

Terms of Engagement
Terms and conditions

You are using this form to ask our staff to prepare and file an extension for your 2024 tax return. Upon receipt of this form and payment of the required fee, our staff will attempt to contact you. We will notify via email when your extension form has been submitted to IRS.

Oregon does not have a direct extension of its own, however your Oregon return is automatically extended when your federal extension is filed.

Submission of this form does not guarantee that your extension will be timely filed and does not indicate a contractual relationship with Pacific Northwest Tax Service.

If you do not receive a phone call or email from our staff, you should assume your extension has NOT been filed and follow up by phoning our offices at 503-646-5600.
Please provide a copy of your current, valid photo ID here. If you are filing a joint return, also provide a copy of your spouse's ID. If you are paying tax with direct debit of your account, you should also upload a copy of your account information in the form of a voided check.*

Cancelof
Sign here to confirm you agree to the terms and conditions described herein and that the information you have provided in this form is complete and accurate.*

Clear
Should be Empty:

1120 Extension Request Form

Filing Deadlines & Extensions

Requesting the Extention

Fee

Required Information

Making Payment to Oregon

File City Extension and Pay Tax by Mail

Pay your business tax online

Metro Selective Housing Services (SHS) Tax

Extensions

Terms and conditions