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About

What we are. What we aren't.

IRSnoticeDecoder is an information hub. We decode IRS CP and Letter notices, point you to the IRS form you need, and cite the primary source. We do not represent you in front of the IRS, accept payments on your behalf, or settle anything. The IRS is the only authority that can resolve your notice.

What IRSnoticeDecoder does

  • Decodes IRS CP and Letter notices. 40 notice codes are indexed in this site, each with a per-notice page derived from the official irs.gov detail page.
  • Cites primary sources. Every page links to the IRS detail page, the IRC section, the Treasury Regulation, or the IRM section that authorizes the action — never just our paraphrase.
  • Stays on your device. The decoder runs in your browser. We do not store, log, or transmit your notice content. See how our decoder works.

What IRSnoticeDecoder does not do

  • We are not a CPA firm. Not a law firm. Not an Enrolled Agent firm. Not affiliated with the IRS.
  • We do not represent you in front of the IRS. We do not file anything on your behalf. We do not negotiate.
  • We do not promote tax-resolution-mill operators. Operators with active FTC consent decrees, state Attorney General actions, or BBB pattern complaints are excluded from any affiliate slot we build — regardless of payout.
  • We do not collect phone numbers or run outbound dialers. There is no "callback form" on this site.

E-E-A-T · reviewer attribution

Tax-procedural reviewer

For YMYL-tax content trustworthiness, every per-notice page should be reviewed by a credentialed CPA, Enrolled Agent, or tax attorney. As of 2026-05-09, our reviewer engagement is in progress. We will not fabricate a reviewer — no name appears here until a real, verifiable credentialed reviewer is onboarded.

Credentialed reviewer engagement in progress — a named CPA, Enrolled Agent, or tax attorney will be listed here, with their credential number and last-verified date, once onboarded.

For now, every notice page links directly to the official IRS detail page so you can verify the procedure against the government source. The IRS detail page is, by definition, the authoritative source for what the IRS itself says about each notice.

Editorial standards

  • Primary-source first. Procedural facts come from irs.gov, congress.gov, ecfr.gov, or law.cornell.edu. We do not paraphrase secondary sources (TaxCure, IRSMind, content-marketing blogs) as if they were authoritative.
  • No fabricated specifics.When the IRS detail page does not state a fixed day count or form number, we say so explicitly — "see the date printed on your notice" or "verify against the cited Publication" — rather than inventing a number.
  • Last-verified pins. Every per-notice page shows the date the row was last verified against the irs.gov detail page. We re-check on a recurring cadence and log the date.
  • No "pennies on the dollar" framing.The Offer-in-Compromise statutory eligibility math is explicit and discoverable; we lay it out honestly even when it's not what users want to hear.

Entity disclosure

Who operates this site

This site is operated by a U.S. LLC whose formation is in progress. The registered entity name and Delaware registration number will be published here once formation completes. Per our no-fabrication policy, we will not name an entity that doesn't yet exist.

Calm-corrective

Only the IRS can resolve your notice

We are not a CPA firm, not a law firm, not an Enrolled Agent firm, and not affiliated with the IRS. We don't accept payments on your behalf, settle your debt, or call the IRS for you. What we do: explain what your notice means, point you to the right IRS form, cite the statute that authorizes the action, and surface the appeal path. Then you call the number on the notice, file the form, or hire a licensed professional.