미국 연방 정부의 세금 징수 및 세법 집행을 담당하는 기관.
Internal Revenue Service (the U.S. government agency responsible for collecting taxes and enforcing tax laws).
예문:
"Every year, millions of Americans file their tax returns with the IRS."
"If you have questions about your federal income tax, you should contact the IRS directly."
"The IRS is working to modernize its digital filing systems."