Business Tax Structure

Federal

Information regarding federal income taxes, taxpayer identification numbers, business tax credits and employment related taxes applicable to large and small businesses, including corporations, partnerships and limited liability companies, can be obtained either online at http://www.irs.gov/businesses/index.html or by phone at 800/829-3676 or 800/829-4059 (TDD). These resources also provide Business Tax Kits, other publications and information regarding necessary filings that must be made with the Internal Revenue Service with respect to the formation of a business.

Additional information regarding employment-related taxes may also be obtained by calling the Social Security Administration. In Austin, Texas, this agency may be contacted at:

Social Security Administration
903 San Jacinto
Austin, Texas 78701
512/916-5404 or 800/772-1213