Internal Revenue Service (IRS) - A division of the Treasury Department, the IRS is the federal agency responsible for collecting taxes and enforcing tax reporting and collection laws. This web site also provides information on U.S. tax laws.
Social Security Administration (SSA) - Social Security numbers are issued by the Social Security Administration office (part of the U.S. government) and used for identification purposes or record-keeping purposes. For example, social security numbers are used for employment, paying taxes, obtaining a driver's license and/or a state identification.
U.S. Department of State - The Department of State is the lead foreign-affairs agency of the U.S. Government. At this web site, individuals can find information ranging from how to prepare for overseas trips to how to get non-immigrant U.S. visas abroad.
Reference
Currency converter - A useful tool for traveling! You can convert the currency of any country into U.S. dollars or vice versa.
Electronic Embassy - This web site has information on all international embassies in Washington, D.C.
