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The Internal Revenue Service (IRS) administers and enforces U.S. federal tax laws.

Infrared (IR; sometimes called infrared light) is electromagnetic radiation (EMR) with wavelengths longer than that of visible light but shorter than microwaves. The infrared spectral band begins with the …

Looking for the definition of IR? Find out what is the full meaning of IR on Abbreviations.com! 'Infrared' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and …

Ingenieur, abbreviated ir., an engineer's degree awarded by technical universities in the Netherlands, Belgium, Indonesia, and Malaysia Injured reserve list, a list of professional sports players who are …

IR-2026-02, Jan. 8, 2026 WASHINGTON — The Internal Revenue Service announced Monday, January 26, 2026, as the opening of the nation’s 2026 filing season. This year, several new tax law provisions …

In smaller companies, the IR function is often outsourced to independent investor relations firms. Investor relations is considered a specialty of public relations by the U.S. Department of Labor.

WASHINGTON — The Internal Revenue Service, working with the U.S. Department of the Treasury, today announced that paper tax refund checks for individual taxpayers will be phased out beginning …

Find information on Form 1040, tax relief, regulations, deadlines, tax guidance and more.

Find the latest Ingersoll Rand Inc. (IR) stock quote, history, news and other vital information to help you with your stock trading and investing.