Taxpayer identification numbers (TIN) | Internal Revenue Service
Review the various taxpayer identification numbers (TIN) the IRS uses to administer tax laws. Find the TIN you need and how to get it.
Tin - Wikipedia
The word tin is shared among Germanic languages and can be traced back to reconstructed Proto-Germanic *tin-om; cognates include German Zinn, Swedish tenn and Dutch tin.
About Form W-9, Request for Taxpayer Identification Number …
Sep 5, 2025 · Information about Form W-9, Request for Taxpayer Identification Number (TIN) and Certification, including recent updates, related forms, and instructions on how to file.
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TIN Definition & Meaning - Merriam-Webster
The meaning of TIN is a soft faintly bluish-white lustrous low-melting crystalline metallic element with atomic number 50 that is malleable and ductile at ordinary temperatures and that is used …
Taxpayer identification number (TIN): What it is and how to find it
Jun 6, 2025 · A taxpayer identification number (TIN) is a nine-digit number used to identify taxpayers. If you need to file taxes, you need a TIN.
Tin | Definition, Properties, Uses, & Facts | Britannica
Nov 11, 2025 · Tin, a chemical element belonging to the carbon family, Group 14 (IVa) of the periodic table. It is a soft, silvery white metal with a bluish tinge, known to the ancients in …
Where can I find my tax identification number? - Jackson Hewitt
6 days ago · You can find your TIN (Tax Identification Number) on your tax returns from previous years and Social Security card, as well as Form W-2 and/or 1099. For most individuals, your …
Tin Facts - Sn or Atomic Number 50 - Science Notes and Projects
Feb 18, 2024 · Tin is a chemical element with the symbol Sn and atomic number 50. It is a post-transition metal in group 14 of the periodic table. Tin is a soft metal that is malleable, ductile, …
Tin - Element information, properties and uses | Periodic Table
Element Tin (Sn), Group 14, Atomic Number 50, p-block, Mass 118.710. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.