Tax Resources for Accountants and Small Businesses (U.S.)
Form W-9 is an Internal Revenue Service (IRS) document used by U.S. persons to provide their Taxpayer Identification Number (TIN) to a requester. Businesses use this form to report payments such as nonemployee compensation,...
What Is a First B Notice? When you file Form 1099s and the Internal Revenue Service (IRS) identifies a vendor’s or payee’s name and Taxpayer Identification Number (TIN) combination as mismatched, you may receive...
What is an IRS “B” Notice? A “B” Notice is a backup-withholding alert you must send when you receive a CP2100 or CP2100A notice from the IRS. It means the name and taxpayer identification number...
If you’ve received a CP 2100 Notice from the IRS, don’t panic — but don’t ignore it either. The notice means the IRS found a name and taxpayer identification number (TIN) mismatch or a...
If you receive a CP2100 or CP2100A Notice from the IRS, it means some of the name and taxpayer identification number (TIN) combinations on your Forms 1099 don’t match IRS or Social Security Administration...
Updated: October 30, 2025 Understanding the IRS Second B Notice When you issue Form 1099s to vendors or contractors, the IRS expects each payee’s name and taxpayer identification number (TIN) to match official records....
Introduction Receiving a letter from the IRS can be stressful, especially when it says “CP 2100 Notice” or “B Notice.”Don’t panic — this notice does not mean you are being audited or owe money.It...
Backup withholding can apply to most kinds of payments that are reported on Form 1099. These include: Interest payments (Form 1099-INT), Dividends (Form 1099-DIV), Patronage dividends, but only if at least half the payment...