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Free quiz · 60 seconds

Can I ignore this IRS letter?

Some IRS mail really can sit on the counter. Some absolutely cannot. Five questions about the letter in your hand, one straight answer.

Question 1 of 5

What kind of letter is it, mainly?

The honest truth about ignoring IRS mail

Here's what makes IRS letters uniquely dangerous to ignore: nothing happens at first.No phone call, no knock on the door, just silence, which feels like the problem went away. It didn't. Behind the silence, a schedule is running: a proposed amount becomes an assessed debt, an assessed debt enters the collection sequence (CP14CP501CP503CP504LT11), and legal rights, the 90-day Tax Court window, the 30-day CDP hearing right, expire without ceremony. Meanwhile penalties and interest compound, which you can watch happen in real time with thepenalty calculator.

And yet, some IRS mail genuinely requires nothing from you. Confirmations of changes you requested, annual IP PINletters, "we adjusted your refund in your favor" notices: read them, file them, move on. The skill isn't treating every envelope as an emergency; it's telling the two categories apart in under a minute. That's exactly what this quiz, and thenotice lookup, are for.

Quick answers

Which IRS letters can safely be ignored?
Purely informational notices, confirmations that a change you requested was made (CP21B, CP21C), annual IP PIN letters (CP01A), acknowledgments that a claim was processed. But "no response required" still means "read it and file it": even informational letters can reveal identity theft or errors worth catching.
Which letters should never be ignored?
Anything with a proposed or assessed amount (CP2000, CP14), anything in the collection sequence, anything containing "intent to levy", "final notice" or "deficiency", identity verification letters (5071C), and any letter with a printed respond-by date.
What actually happens if I ignore a letter with a deadline?
Nothing dramatic on day one, which is exactly the trap. The proposal becomes an assessment, the assessment enters collection, penalties compound, and rights expire silently. Every stage costs more than the response would have.
→ Notice lookup→ Deadline calculator→ Penalty estimator→ All free tools

A quiz guesses. Your letter knows.

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FREE EXPLANATION · NO ACCOUNT · UNDER A MINUTE