Find information on complex tax topics | Internal Revenue Service

Find information on complex tax topics

 

Our telephone assistors can help with many of your questions. There are some, though, that are too complex for us to help you with by phone. Those topics are listed on this page, along with IRS.gov resources that may help you.

Here are some other ways to get help if you do have a question on a complex tax topic that we can't answer:

This list of resources is not all-inclusive. Please use our search feature to find more information.

Categories

We've grouped complex tax topics within the categories listed here. Choose a category to see specific complex topics and the IRS.gov resources that may help you.

Business, sale and depreciation

Sale of business

Depreciation

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Capital gains and losses

Our telephone assistors will answer all non-complex capital gains questions. However, we will not do complex calculations for you such as calculating actual basis in complex situations.

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Commuting

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Corporations, exempt organizations, and partnerships

General

Corporations

Employers and employee benefits

Excise tax

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Education

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Health care

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International

Boycotting income and foreign tax computation

International, corporations

International, general

International, trusts other than grantor

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Rentals and residential

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Trusts

Estate and trust laws vary by state. Seek state or professional guidance.

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Specific forms

Our telephone assistors can't help you with these forms and we can't offer line-by-line help with any form. To get help, contact a tax professional or attorney or check the help features of your electronic filing software.

Individuals, general form

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Business, general forms

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Depreciation and sale of business forms

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Energy form

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Health care form

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Corporations, exempt organizations and partnerships forms

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Employers and employee benefits forms

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International forms

Excise tax

Corporations

General

Partnerships with foreign partners

Trusts other than grantor

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Rentals and residential form

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Tax professionals form

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Trusts forms

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Tax professionals

Tax professionals who need to request an Employer Identification Number (EIN) for a taxpayer should follow the instructions in IRM 21.7.13.3.8, Receiving EIN Applications Form Field Compliance.

IRS revenue officers and revenue agents

IRS Revenue Officers and Revenue Agents looking for account related inquiries should request technical support from their own Operating Division.

Guidance

See IRM 21.1.1-1