ACRONYMS

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• TINA Taxpayer Identification Number (TIN) is a nine-digit number used by the IRS to administer tax laws, essential for filing returns, claiming credits, and banking. Common types include Social Security Numbers (SSN) for individuals, Employer Identification Numbers (EIN) for businesses, and Individual Taxpayer Identification Numbers (ITIN) for non-citizens.
• TPMOA Third-Party Marketing Organization (TPMO) is any entity or individual, including agents, brokers, and lead generators, paid to perform marketing, lead generation, or sales for Medicare Advantage (MA) or Part D plans. As part of the chain of enrollment, TPMOs must comply with strict CMS regulations, including recording calls, using specific disclaimers, and obtaining prior express written consent for data sharing.