IRS guides to notices, explained like a human wrote it
Practical guides to understand your letter, meet your deadline, and respond without paying $2,000 to a stranger on the phone.

CP2100A Notice: What It Means and What To Do Next
A CP2100A notice is an IRS letter alerting businesses to fewer than 50 TIN mismatches on their Form 1099 filings. Learn what it means, how to respond on time, and how to avoid costly penalties.
Deadlines & how to respondSample of Letter to IRS: CP2000, Appeal & Payment Plan
Writing back to the IRS does not have to be intimidating. This guide provides ready-to-use sample letters for common IRS notices like CP2000, covering proper format, deadlines, and the most common mistakes to avoid.
Deadlines & how to respondHow to Write a Letter to IRS (Examples for Each Notice)
You received an IRS notice and need to write back. This guide shows you exactly how to structure a letter to the IRS for the most common notice types, with examples, deadlines, and mailing tips.
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