The Internal Revenue Service is one of the oldest bureaus of the U.S., and it is tasked with collecting taxes from individuals and businesses. The Internal Revenue Service, better known as the IRS ...

Donald Trump said he would create an "External Revenue Service" aimed at collecting tariffs and foreign revenue on January 20.

The Internal Revenue Service, a bureau within the U.S. Department of Treasury, is responsible for upholding the code. In 1787, the Constitution gave Congress the power to tax as well as the ...