Useful Links

US-Tax

www.irs.gov
The IRS is the US government agency responsible for tax collection and tax law enforcement. 

www.aicpa.org
National professional association for CPAs in the United States.

www.treas.gov
The Department of the Treasury performs four basic functions: formulating and recommending economic, financial, tax, and fiscal policies; … 

www.uscis.gov
U.S. Citizenship and Immigration Services.

www.internationalbusinessdirectory.com
All the information you need for international business, investment, international travel, import and export, business brokers, retail and consumer trade ... 

www.ustaxnetwork.com
The Homepage for the US Tax Network. The resource for free online taxation information. Including information on Corporate Taxation, Individual Taxation, ...