The creation of a new agency requires an act of Congress, and Republicans hold the majority of both the House and the Senate.

The creation of a separate department will likely need congressional support, though Trump could try to establish the department within a different existing agency.

President-elect Trump said Tuesday he wanted to create an “External Revenue Service” to collect tariffs and other revenue from foreign countries, comparing it to the Internal Revenue Service (IRS), which collects taxes from Americans.

President-elect Donald Trump said he would establish an External Revenue Service to collect tariffs, duties and all revenue from foreign sources.

The parallel with the Internal Revenue Service is seen as a signal of the president-elect’s determination to enact sweeping import duties.

Donald Trump has said he plans to establish an External Revenue Service (ERS) on his first day in office. The ERS represents a significant shift

President-elect Donald Trump announced plans to create a new government agency called the External Revenue Service (ERS) to collect tariffs and other duties from foreign nations. Trump plans to launch the agency on Jan.

President-elect Donald Trump has announced his plan to create a federal body charged with taxing and collecting taxes from U.S. trade partners.

The president-elect's proposed new agency was mocked because it duplicates what's already being done by other government agencies.