IRS NOTICE REFERENCE
Understanding your CP75A notice
We're auditing your tax return and need documentation to verify the Earned Income Credit (EIC), dependents and filing status you claimed.
General information only. Not legal or tax advice.
Notice details
- Notice code
- CP75A
- Category
- Examination and audit
- Severity tier
- Tier 3 — Time-sensitive response. The notice carries a response deadline or may affect account standing if ignored.
- Governing law
- §7602 (Internal Revenue Code section)
- Source
- IRS.gov — Understanding Your IRS Notice
What this notice is
We're auditing your tax return and need documentation to verify the Earned Income Credit (EIC), dependents and filing status you claimed.
Source: IRS.gov. Reproduced for reference. General information — not legal or tax advice.
What the IRS says to do
Read the notice and the enclosed forms carefully. They explain the information you must send to us. Provide copies of the documentation we request to verify the items we're auditing. Complete the Response form by showing which items your supporting documentation addresses and return the form with the documents you are submitting either by: Faxing your documents to the fax number in the notice using either a fax machine or an online fax service. Protect yourself when sending digital data by understanding the fax service’s privacy and security policies, or Mailing your response to the address shown on the Response form. Faxing your documents to the fax number in the notice using either a fax machine or an online fax service. Protect yourself when sending digital data by understanding the fax service’s privacy and security policies, or Mailing your response to the address shown on the Response form.
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.
Governing IRS procedure (Internal Revenue Manual)
The IRS’s own internal procedures for handling this notice type are documented in the Internal Revenue Manual:
- IRM 4.10.1 — 4.10.1 Overview of Examiner Responsibilities
- IRM 4.10.3 — 4.10.3 Examination Techniques
- IRM 4.13.1 — 4.13.1 Examination Audit Reconsideration Process
Reference to published IRS procedure. General information — not legal or tax advice.
Official IRS reference
Read the official notice page on IRS.gov: https://www.irs.gov/individuals/understanding-your-cp75a-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.
Check this notice’s deadline (free tool)