Where To File

File the corporation's return at the applicable IRS address listed below.

If the corporation's principal business, office, or agency is located in:	And the total assets at the end of the tax year (Form 1120, page 1, item D) are:	Use the following Internal Revenue Service Center address:
Connecticut, Delaware, District of Columbia, Illinois, Indiana, Kentucky, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Vermont, Virginia, West Virginia, Wisconsin	Less than $10 million $10 million or more	Cincinnati, OH 45999-0012 Ogden, UT 84201-0012
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Florida, Georgia, Hawaii, Idaho, Iowa, Kansas, Louisiana, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Tennessee, Texas, Utah, Washington, Wyoming	Any amount	Ogden, UT 84201-0012
A foreign country or U.S. possession (or the corporation is claiming the possessions corporation tax credit under sections 30A and 936)	Any amount	Philadelphia, PA 19255-0012

A group of corporations with members located in more than one service center area will often keep all the books and records at the principal office of the managing corporation. In this case, the tax returns of the corporations may be filed with the service center for the area in which the principal office of the managing corporation is located.

Changes To Note

• If the corporation's total receipts for the tax year (line 1a plus lines 4 through 10 on page 1 of Form 1120 or 1120-A) and its total assets at the end of the year are less than $250,000, it is not required to complete Schedules L, M-1, and M-2 on page 4 of Form 1120 (Parts III and IV on page 2 of Form 1120-A).
• Additional guidance has been issued allowing qualifying small businesses to adopt or change to the cash method of accounting. For details, see Cost of Goods Sold on page 14.
• Guidance has been issued regarding the nonaccrual experience method of accounting. See page 6.
• For tax years ending on or after December 31, 2001, if the corporation must make a section 481(a) adjustment because of an accounting method change, the adjustment period is 1 year for negative adjustments. For details, including special rules and exceptions, see Rev. Proc. 2002-19, 2002-13 I.R.B. 696 and Rev. Proc. 2002-54, 2002-35 I.R.B. 432. Also see Change in accounting method on page 6.
• Additional guidance has been issued regarding the rules for adopting, changing, and retaining an accounting period. See Regulations sections 1.441 and 1.442. Also, personal service corporations should see Accounting period on page 8.
• New procedures for certain corporations, including personal service corporations, to obtain automatic approval to adopt, change, or retain an accounting period have been issued. See Rev. Proc. 2002-37, 2002-22 I.R.B. 1030; Rev. Proc. 2002-38, 2002-22 I.R.B. 1037; and Rev. Proc. 2002-39, 2002-22 I.R.B. 1046.
• As a result of changes to the North American Industry Classification System (NAICS), some of the principal business activity codes listed on pages 21 through 23 have changed, mainly in the Construction, Wholesale Trade, and Information sectors.
• The corporation must file a disclosure statement for each reportable tax shelter transaction in which it participated, directly or indirectly, if the transaction affects the corporation's Federal tax liability. See Tax shelter disclosure statement on page 5 for details.

Photographs of Missing Children

The Internal Revenue Service is a proud partner with the National Center for Missing and Exploited Children. Photographs of missing children selected by the Center may appear in instructions on pages that would otherwise be blank. You can help bring these children home by looking at the photographs and calling 1-800-THE-LOST (1-800-843-5678) if you recognize a child.

Unresolved Tax Issues

If the corporation has attempted to deal with an IRS problem unsuccessfully, it should contact the Taxpayer Advocate. The Taxpayer Advocate independently represents the corporation's interests and concerns within the IRS by protecting its rights and resolving problems that have not been fixed through normal channels.

While Taxpayer Advocates cannot change the tax law or make a technical tax decision, they can clear up problems that resulted from previous contacts and ensure that the corporation's case is given a complete and impartial review.

The corporation's assigned personal advocate will listen to its point of view and will work with the corporation to address its concerns. The corporation can expect the advocate to provide:

• A "fresh look" at a new or on-going problem.
• Timely acknowledgment.
• The name and phone number of the individual assigned to its case.
• Updates on progress.
• Timeframes for action.
• Speedy resolution.
• Courteous service.

When contacting the Taxpayer Advocate, the corporation should provide the following information:

• The corporation's name, address, and employer identification number (EIN).
• The name and telephone number of an authorized contact person and the hours he or she can be reached.
• The type of tax return and year(s) involved.
• A detailed description of the problem.
• Previous attempts to solve the problem and the office that had been contacted.
• A description of the hardship the corporation is facing (if applicable).

The corporation may contact a Taxpayer Advocate by calling 1-877-777-4778 (toll free). Persons who have access to TTY/TDD equipment may call 1-800-829-4059 and ask for Taxpayer Advocate assistance. If the corporation prefers, it may call, write, or fax the Taxpayer Advocate office in its area. See Pub. 1546, The Taxpayer Advocate Service of the IRS, for a list of addresses and fax numbers.

Direct Deposit of Refund

To request a direct deposit of the corporation's income tax refund, attach Form 8050 (see pages 4 and 14).

How To Make a Contribution To Reduce the Public Debt

To help reduce the public debt, make a check payable to the: Bureau of the Public Debt. Send it to Bureau of the Public Debt, Department G, P.O. Box 2188, Parkersburg, WV 26106-2188. Or, enclose a check with the income tax return. Contributions to reduce the public debt are deductible subject to the rules and limitations for charitable contributions.

How To Get Forms and Publications

Personal computer.   You can access the IRS web site 24 hours a day, 7 days a week at www.irs.gov to:

• Order IRS products on-line.
• Download forms, instructions, and publications.
• See answers to frequently asked tax questions.
• Search publications on-line by topic or keyword.
• Send us comments or request help by e-mail.
• Sign up to receive local and national tax news by e-mail.

You can also reach us using file transfer protocol at ftp.irs.gov.

CD-ROM.   Order Pub. 1796, Federal Tax Products on CD-ROM, and get:

• Current year forms, instructions, and publications.
• Prior year forms, instructions, and publications.
• Frequently requested tax forms that may be filled in electronically, printed out for submission, and saved for recordkeeping.
• The Internal Revenue Bulletin.

Buy the CD-ROM on the Internet at www.irs.gov/cdorders from the National Technical Information Service (NTIS) for $22 (no handling fee), or call 1-877-CDFORMS (1-877-233-6767) toll free to buy the CD-ROM for $22 (plus a $5 handling fee).

By phone and in person.   You can order forms and publications 24 hours a day, 7 days a week, by calling 1-800-TAX-FORM (1-800-829-3676). You can also get most forms and publications at your local IRS office.

General Instructions

Purpose of Form

Use Form 1120, U.S. Corporation Income Tax Return, or Form 1120-A, U.S. Corporation Short-Form Income Tax Return, to report the income, gains, losses, deductions, credits, and to figure the income tax liability of a corporation. Also see Pub. 542, Corporations, for more information.

Who Must File

Unless exempt under section 501, all domestic corporations (including corporations in bankruptcy) must file whether or not they have taxable income. Domestic corporations must file Form 1120 or, if they qualify, Form 1120-A, unless they are required to file a special return (see Special Returns for Certain Organizations on this page).

Limited liability companies.   If an entity was formed as a limited liability company under state law and is treated as a partnership for Federal income tax purposes, it should not file Form 1120 or 1120-A. Instead, file Form 1065, U.S. Return of Partnership Income. For the definition of a limited liability company, see the Instructions for Form 1065.

Corporations engaged in farming.   Any corporation that engages in farming should use Form 1120 or, if they qualify, Form 1120-A to report the income (loss) from such activities. Enter the income and deductions of the corporation in accordance with the instructions for lines 1 through 10 and 12 through 29.

Who May File Form 1120-A

Form 1120-A may be filed by a corporation if it met all of the following requirements during the tax year:

• Its gross receipts (line 1a on page 1) are under $500,000.
• Its total income (line 11 on page 1) is under $500,000.
• Its total assets (Item D on page 1) are under $500,000.
• Its only dividend income is from domestic corporations and those dividends
  • qualify for the 70% dividends-received deduction and
  • are not from debt-financed securities.
• It is a small corporation exempt from the alternative minimum tax (AMT) under section 55(e) or it does not owe any AMT on Form 4626, Alternative Minimum Tax - Corporations.
• It does not have any of the write-in additions to tax listed in the Instructions for Form 1120, Schedule J, line 3 or line 11.
• It has no nonrefundable tax credits other than the general business credit or the credit for prior year minimum tax.
• It is not:
  • a member of a controlled group,
  • a personal holding company,
  • filing a consolidated return,
  • filing its final return,
  • dissolving or liquidating,
  • electing to forego the entire carryback period for any NOL, or
  • required to file one of the returns listed under Special Returns for Certain Organizations below.
• It does not have:
  • any ownership in a foreign corporation or foreign partnership,
  • foreign shareholders that directly or indirectly own 25% or more of its stock, or
  • any ownership in, or transactions with, a foreign trust.

Special Returns for Certain Organizations

Instead of filing Form 1120 or Form 1120-A, certain organizations, as shown below, have to file special returns.

If the organization is a	File Form
Farmers' cooperative (sec. 1381)	990-C
Exempt organization with unrelated trade or business income	990-T
Religious or apostolic organization exempt under section 501(d)	1065
Entity formed as a limited liability company under state law and treated as a partnership for Federal income tax purposes	1065
Entity that elects to be treated as a real estate mortgage investment conduit (REMIC) under sec. 860D	1066
Interest charge domestic international sales corporation (section 992)	1120-IC-DISC
Foreign corporation (other than life and property and casualty insurance company filing Form 1120-L or Form 1120-PC)	1120-F
Foreign sales corporation (sec. 922)	1120-FSC
Condominium management association or residential real estate management association that elects to be treated as a homeowners association under section 528	1120-H
Life insurance company (sec. 801)	1120-L
Fund set up to pay for nuclear decommissioning costs (sec. 468A)	1120-ND
Property and casualty insurance company (section 831)	1120-PC
Political organization (section 527)	1120-POL
Real estate investment trust (section 856)	1120-REIT
Regulated investment company (section 851)	1120-RIC
S corporation (section 1361)	1120S
Settlement fund (section 468B)	1120-SF

Ownership Interest in a FASIT

If a corporation holds an ownership interest in a financial asset securitization investment trust (FASIT), it must report all items of income, gain, deductions, losses, and credits on the corporation's income tax return (except as provided in section 860H). Show a breakdown of the items on an attached schedule. For more information, see sections 860H and 860L.

When To File

Generally, a corporation must file its income tax return by the 15th day of the 3rd month after the end of the tax year. A new corporation filing a short-period return must generally file by the 15th day of the 3rd month after the short period ends. A corporation that has dissolved must generally file by the 15th day of the 3rd month after the date it dissolved.

If the due date falls on a Saturday, Sunday, or legal holiday, the corporation may file on the next business day.

Private delivery services.   Corporations can use certain private delivery services designated by the IRS to meet the timely mailing as timely filing/paying rule for tax returns and payments. The most recent list of designated private delivery services was published by the IRS in September 2002.

The list includes only the following.

• Airborne Express (Airborne): Overnight Air Express Service, Next Afternoon Service, Second Day Service.
• DHL Worldwide Express (DHL): DHL Same Day Service, DHL USA Overnight.
• Federal Express (FedEx): FedEx Priority Overnight, FedEx Standard Overnight, FedEx 2Day, FedEx International Priority, and Fed Ex International First.
• United Parcel Service (UPS): UPS Next Day Air, UPS Next Day Air Saver, UPS 2nd Day Air, UPS 2nd Day Air A.M., UPS Worldwide Express Plus, and UPS Worldwide Express.

The private delivery service can tell you how to get written proof of the mailing date.

Extension.   File Form 7004, Application for Automatic Extension of Time To File Corporation Income Tax Return, to request a 6-month extension of time to file.

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