Corporations that paid the federal telephone excise tax on long distance or bundled service may be able to request a credit. See the instructions for line 23d on page 18.

Certain corporations are required to file new Schedule M-3 (Form 1120S) instead of Schedule M-1. See Item H. Schedule M-3 Information on page 12.

For tax years ending on or after December 31, 2006, certain corporations that report total assets of $10 million or more on Form 1120S, page 1, item E, must electronically file Form 1120S. See Electronic Filing on page 3.

For tax years beginning after May 17, 2006, new rules are used to figure Form W-2 wages for the domestic production activities deduction. See Form 8903, Domestic Production Activities Deduction, and Employer's W-2 wages (code Q) on page 27 for details.

Corporations must include in income part or all of the proceeds received from certain corporate-owned life insurance contracts issued after August 17, 2006. See section 101(j) for details.

For contributions made in tax years beginning after December 31, 2005, shareholders must reduce their stock basis using their share of the adjusted basis, instead of the fair market value, of contributed property. The AAA account is also adjusted by the property's adjusted basis. See Contributions of property on page 25 and the Schedule M-2 instructions on page 35.

The deduction for contributions of certain food inventory has been extended through December 31, 2007. See Noncash contributions (50%) (code C) on page 25.

For contributions made in tax years beginning after December 31, 2005, the AGI limit and carryover period is increased for qualified conservation contributions. See Noncash contributions (50%) (code C) on page 25.

New rules and restrictions apply to certain contributions of real property located in a registered historic district. See Contributions of property on page 25 for details.

Cash contributions made in tax years beginning after August 17, 2006, must be supported by a dated bank record or receipt.

Manufacturers of certain qualified energy efficient appliances can claim a new general business credit. See new Form 8909, Energy Efficient Appliance Credit.

Employers housing certain employees affected by Hurricane Katrina can claim a new general business credit. See Form 5884-A, Credits for Employers Affected by Hurricane Katrina, Rita, or Wilma.

Certain employers can claim a new mine rescue team training credit. See new Form 8923, Mine Rescue Team Training Credit.

An S corporation must report on Schedule B any accumulated earnings and profits at the close of its 2006 tax year. See Item 8 on page 20.

The filing address for corporations whose principal business, office, or agency is located in a foreign country or U.S. possession has changed. See Where To File on page 3.

A “fresh look” at a new or ongoing problem,

Timely acknowledgment,

The name and phone number of the individual assigned to its case,

Updates on progress,

Timeframes for action,

Speedy resolution, and

Courteous service.

The corporation's name, address, and employer identification number.

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 was contacted.

A description of the hardship the corporation is facing and supporting documentation (if applicable).

Call the Taxpayer Advocate's toll-free number: 1-877-777-4778.

Call, write, or fax the Taxpayer Advocate office in its area (see Pub. 1546 for addresses and phone numbers).

TTY/TDD help is available by calling 1-800-829-4059.

Visit the website at www.irs.gov/advocate.