CITY OF TUCSON - FINANCE DEPARTMENT - BUSINESS PRIVILEGE TAX INFORMATION www.cityoftucson.org/finance/BusInfo.php
ARIZONA DEPARTMENT OF REVENUE www.revenue.state.az.us/
IRS: INTERNAL REVENUE SERVICE - DEPT OF THE TREASURY www.irs.gov
TUCSON METROPOLOTAN CHAMBER OF COMMERCE www.tucsonchamber.org/
US SMALL BUSINESS ADMINISTRATION www.sbaonline.sba.gov
