{"ok":true,"canonical_url":"https://dealroom.so/glossary/taxpayer-identification-number","api_url":"https://dealroom.so/api/public/glossary/taxpayer-identification-number","data_freshness":{"sba_records_through":"2026-05-31","fdic_records_through":"2026-03-31","dealroom_last_updated":"2026-06-15","timezone":"America/Chicago"},"source_summary":["Public SBA 7(a) loan records","FDIC institution data","DealRoom lender and franchise enrichment"],"term":{"slug":"taxpayer-identification-number","term":"Taxpayer Identification Number","aka":"TIN","group":"People and paperwork","definition":"A nine-digit number used by the IRS to identify individuals and businesses for tax purposes. You'll need this for all official financial and tax documents related to the business.","what_it_means":"For individuals, your TIN is usually your Social Security Number (SSN). For businesses, it's an Employer Identification Number (EIN). Both you and the business you're buying will have one, and they are required on SBA loan applications, tax forms, and many other legal documents during the acquisition process.","url":"https://dealroom.so/glossary/taxpayer-identification-number","official_sources":[],"related":[{"slug":"form-1919","term":"Form 1919","url":"https://dealroom.so/glossary/form-1919"},{"slug":"irs-transcripts","term":"IRS transcripts (4506-T)","url":"https://dealroom.so/glossary/irs-transcripts"}],"related_questions":[{"question":"Does my business need to have been operating for a certain number of years?","url":"https://dealroom.so/sba-loans/basics/does-my-business-need-to-have-been-operating-for-a-certain-number-of-years"},{"question":"Does the SBA have requirements for the minimum number of employees a business must have?","url":"https://dealroom.so/sba-7a/questions/does-the-sba-have-requirements-for-the-minimum-number-of-employees-a-business-must-have"},{"question":"Does the SBA 7(a) loan program have a requirement for a minimum number of employees?","url":"https://dealroom.so/sba-loans/basics/does-the-sba-7-a-loan-program-have-a-requirement-for-a-minimum-number-of-employees"},{"question":"What is the maximum number of years I can take to repay an SBA 7(a) loan?","url":"https://dealroom.so/sba-loans/basics/what-is-the-maximum-number-of-years-i-can-take-to-repay-an-sba-7-a-loan"},{"question":"Is there a minimum number of years my business must be operating to get an SBA 7(a) loan?","url":"https://dealroom.so/sba-loans/basics/is-there-a-minimum-number-of-years-my-business-must-be-operating-to-get-an-sba-7-a-loan"},{"question":"Does my business need to have a certain number of employees to qualify for an SBA 7(a) loan?","url":"https://dealroom.so/sba-loans/basics/does-my-business-need-to-have-a-certain-number-of-employees-to-qualify-for-an-sba-7-a-loan"}]},"caveats":["Definitions represent DealRoom's plain-English interpretation for buyers; verify regulatory terms against the official SBA and eCFR sources listed.","Not legal, tax, or financial advice, and not an SBA eligibility determination."],"citation":{"label":"DealRoom.so Glossary — Taxpayer Identification Number","url":"https://dealroom.so/glossary/taxpayer-identification-number","source_type":"DealRoom Data"}}