Foreign Exchange Rates:
www.federalreserve.gov/releases/g5a/current
Tax Information for Tax Professionals:
www.irs.gov/taxpros/index.html
Internal Revenue Service:
www.irs.gov
Supreme Court/Courts of Appeal:
www.findlaw.com
Revenue Rulings:
www.taxlinks.com
Revenue Procedures, Notices, TAMs, etc:
www.legalbitstream.com
Get your Annual Social Security statement online (new – May 2012)
www.socialsecurity.gov/mystatement
Bureau of Public Debt:
www.publicdebt.treas.gov