Form W-9 (Request for Taxpayer Identification Number)
A form used by businesses to collect a contractor or vendor's name, address, and Taxpayer Identification Number for 1099 reporting purposes.
Detailed Explanation
Form W-9 is provided by US persons (individuals, sole proprietors, partnerships, LLCs, corporations) to businesses that will issue them a Form 1099 (typically 1099-NEC for nonemployee compensation of $600 or more in a year). The form certifies the taxpayer's name, TIN (SSN or EIN), tax classification, and exemption status. Foreign payees use Form W-8 series instead. W-9 is not filed with the IRS but retained by the requesting party.
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Form 1099 (Information Returns)
A series of IRS forms used to report various types of non-employee income, including 1099-NEC for contractor payments and 1099-K for third-party payment processors.
Self-Employment Tax
The Social Security and Medicare tax (15.3% combined) paid by self-employed taxpayers on their net earnings from self-employment.
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