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Infrared - Wikipedia
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 …
Internal Revenue Service (IRS) | USAGov
The Internal Revenue Service (IRS) administers and enforces U.S. federal tax laws.
IR - What does IR stand for? The Free Dictionary
Looking for online definition of IR or what IR stands for? IR is listed in the World's most authoritative dictionary of abbreviations and acronyms.
What does IR stand for? - Abbreviations.com
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 …
Investor Relations – MSCI Inc.
Jan 6, 2026 · The Investor Relations website contains information about MSCI Inc.'s business for stockholders, potential investors, and financial analysts.
IR - Wikipedia
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 …
IRS issues frequently asked questions about Executive Order 14247 ...
IR-2026-13, Jan. 27, 2026 — The Internal Revenue Service today issued frequently asked questions to help taxpayers, businesses, and other stakeholders understand the changes under Executive Order …
Investor relations - Wikipedia
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.
Newsroom | Internal Revenue Service
Tax tips, filing season news, and more. Get IRS tax news and sign up for e-News updates. Find information on Form 1040, tax relief, regulations, deadlines, tax guidance and more.