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Tax Resources and Associations


  • SalesTaxSupport.com SalesTaxSupport.com is a free web-site which provides educational and reference content, specific to the topic of sales tax. Content is organized from a user perspective for quick and easy access. The site also includes a comprehensive sales tax product directory, as well as a job board which accepts free posts from employers, recruiters and candidates. The "Sales Tax Questions" section is a popular feature on the site, where submitted questions are answered by sales tax specialists (YETTER).
  • Council on State Taxation (COST) The Council on State Taxation is the premier state tax organization representing taxpayers. COST is a non-profit trade association consisting of nearly 600 multistate corporations engaged in interstate and international business. The primary objective is to preserve and promote equitable and nondiscriminatory state and local taxation of multijurisdiction business entities. As a member of COST, you will receive continuing education and training, legislative/regulatory advocacy and monitoring, networking opportunities with other state tax professionals, COST On-Line Information Network (COIN), COST Studies and Special Reports, COST Publications and Other Communications, Attorney/Consultant Referral Service, and many other important activities of COST.
  • The Institute for Professionals in Taxation (IPT) The Institute for Professionals in Taxationis a non-profit educational association serving over 4,400 members representing approximately 1,450 corporations, firms, or taxpayers throughout the United States and Canada. The Institute equips tax professionals in the private/corporate sectors to do a better job every day with valuable tools, top-flight educational programs, and timely notification of legislative actions and court decisions.
  • Tax Executives Institute (TEI) The Tax Executives Institute is dedicated to the development of sound tax policy, compliance with and uniform enforcement of tax laws, and minimization of administration and compliance costs to the benefit of both government and taxpayers. The mission of TEI is to enhance and improve the tax system and to serve its members, their employers, and society generally by facilitating interaction and training among members and their staff.
  • A Guide to Internet Resources Tax Sites Directory (Maintained by Dennis Schmidt, Associate Professor of Accounting, University of Northern Iowa. Copyright 1995-97) An excellent resource of hyperlinks to many primary sites, including several federal court sites, state tax sites, articles and international tax sites.
  • Will Yancey's Home Page Provides links to tax, accounting, finance, law, and other Web sites. Similar format to the site of his co-author, Dennis Schmidt.
  • Barry Rubin's Home Page Provides links to state tax forms, regulations and state tax codes when available in addition to various other federal tax sites, such as the IRS.
  • Arizona Tax Arizona Tax provides information on all areas of Arizona taxation, including sales, use, property, state income, including residency and unitary, city sales and various others. It covers judicial and administrative decisions, legislation, new and amended regulations, informal tax rulings, and all other sources of information in this field, including unpublished decisions. It also serves as a forum for raising issues, discussing audit positions and activities of the Arizona taxing authorities and anything similar.
  • National Association of Unclaimed Property Administrators (NAUPA) Provides links to various internet resources to search databases for state and federal unclaimed money and property.
  • AccountingPage.com Provides links to comprehensive accounting resources.
  • LookDirectory.com Comprehensive Human-Edited Directory
  • AICPA Provides links to all states for sales and use tax information, including tax rate tables, sales tax licenses, guides, publications, rules and regulations.
  • Affiliate Nexus and State Sales Tax Provides information on affiliate nexus and "Amazon" laws.
  • Chicago Tax Club The Chicago Tax Club, organized in 1933, is a nonprofit association consisting of individual tax professionals employed by corporations and other businesses. The principal function of our organization is providing educational and networking events, in order to assist our members in identifying and resolving tax compliance, planning and audit issues relating to their employers. The Club is dedicated to the professional development of our members, promoting an interchange of ideas and mutual assistance among members and providing the opportunity to participate in accredited continuing professional education programs (CPE and CLE). The Club also fosters the highest standards of integrity, competence and professional ethics and it recognizes that an atmosphere of mutual trust and confidence must prevail among the membership, other tax professionals, employers and government tax administrators.
  • Taxpayers’ Federation of Illinois The Taxpayers’ Federation of Illinois is the state's most respected non-partisan state and local tax and fiscal policy advocacy organization. The organization conducts policy research, educates public officials and opinion leaders on current issues, advocates for a responsible tax structure that encourages economic growth in the state, and supports efficient delivery of government services.  Created to serve Illinois’ citizens in 1940, TFI has been integrally involved in all major Illinois tax and fiscal policy discussions for over 75 years.
  • Database of State Incentives for Renewables & Efficiency DSIRE is the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University and is funded by the U.S. Department of Energy.
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