Internal Revenue Service

Irs.gov has 30 URLs listed in 19 Dmoz categories.

Internal Revenue Service
The IRS is the U.S. government agency responsible for tax collection and tax law enforcement. Contains downloadable forms, instructions, and agency publications. It also includes "The Digital Daily," an almost-humorous online newspaper.
http://www.irs.gov/
Top/Business/Accounting

Internal Revenue Service: Small Businesses and Self-Employed
Tax resources for U.S. small businesses.
http://www.irs.gov/businesses/small/
Top/Business/Small_Business/Finance/Accounting

Internal Revenue Service
Provides tax information and forms for U.S. businesses.
http://www.irs.gov/businesses/index.html
Top/Business/Small_Business/Finance/Taxes

Taxpayer Advocate Service (IRS)
Not exactly a complaint page, but does tell about help for problem situations in paying your taxes; from the Internal Revenue Service.
http://www.irs.gov/advocate/
Top/Home/Consumer_Information/Advocacy_and_Protection/Governmental_Help/United_States

Internal Revenue Service
U.S. government agency responsible for tax collection and tax law enforcement. Provides downloadable income tax forms, instructions, agency publications, and "The Digital Daily," an almost-humorous online newspaper.
http://www.irs.gov/
Top/Home/Personal_Finance/Tax_Preparation

File Manager For Publications - IRS
Forms and Publications
http://www.irs.gov/formspubs/index.html
Top/Home/Personal_Finance/Tax_Preparation

Tax Professional's Corner
IRS website for tax pros.
http://www.irs.gov/taxpros/index.html
Top/Home/Personal_Finance/Tax_Preparation

IRS.gov - Understanding Taxes
Offers both print and online materials to help learn more about the history, theory, and application of taxes in the United States.
http://www.irs.gov/app/understandingTaxes/
Top/Home/Personal_Finance/Tax_Preparation

Internal Revenue Services Forms and Publications
Includes all US federal tax forms and instructions, including W-2, W-4, 1040, 1040EZ, 1099, and 4868.
http://www.irs.gov/formspubs/index.html
Top/Home/Personal_Finance/Tax_Preparation/Tax_Forms/United_States

IRS Tax Interactive
Educates teenagers about the U.S. tax system, the effect of taxes on their day-to-day lives, and new electronic ways to file tax returns.
http://www.irs.gov/individuals/students/index.html
Top/Kids_and_Teens/School_Time/Social_Studies/Economics