All Acronyms, JRA - Juvenile Rheumatoid Arthritis (Feb. 11, 2018, 5:02 AM), available at https://www.allacronyms.com/JRA/Juvenile_Rheumatoid_Arthritis. cse All Acronyms.
Taxpayer Identification Number (TIN): Overview What is a TIN? A Taxpayer Identification Number (TIN) is required by the federal government for reporting purposes. A TIN can be a Social Security Number (SSN) or an Individual Taxpayer Identification Number (ITIN). A valid TIN can have only 9 numbers.
Best Answer: A TIN technically refers to ANY number that identifies a taxpayer to the IRS. For individual citizens, that is your SSN. For businesses, it is their EIN. The term TIN is usually used to refer to numbers assigned to individual taxpayers that are not eligible for a SSN.