IRS NOTICE REFERENCE
Understanding your CP6042 notice
Factual reference for CP6042. General information only — not legal or tax advice.
General information only. Not legal or tax advice.
Notice details
- Notice code
- CP6042
- Category
- Identity verification
- Severity tier
- Tier 2 — Action or response expected. The IRS has taken or proposed an action and expects a response or payment.
- Governing law
- §6109; §7701(a)(16) (Internal Revenue Code sections)
- Statutory response window
- 30-day window — always confirm the exact deadline against the date printed on your notice.
- Source
- IRS.gov — Understanding Your IRS Notice
What the IRS says to do
If you were or are affiliated with the entity: Answer all the questions on the enclosed form in your notice and provide the information requested within 30 days from the date of the notice. If the notice is for an estate, send a copy of the deceased individual’s death certificate with your reply. If the notice is for a trust, send a copy of the Certificate of Trust document or the title and completed signature pages from the trust documents with your reply. If you’re not affiliated with the entity, or you’re not the responsible party: Select the correct statement on the enclosed form, indicating no affiliation and provide your name. Return the enclosed form to us within 30 days from the date of the notice. If the responsible party we have on file for the entity has changed, submit Form 8822-B, Change of Address or Responsible Party-Business PDF .
This is the IRS’s own guidance reproduced from the IRS notice page. It describes the IRS’s process — it is not legal or tax advice from TaxRiskOS.
Official IRS reference
Read the official notice page on IRS.gov: https://www.irs.gov/individuals/understanding-your-cp6042-notice
Related tools
TaxRiskOS is workflow software for practitioners — it captures the notice, computes the deadline, surfaces the escalation tier, and builds a document checklist. It documents process; it does not give advice or draft responses.
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