IRS NOTICE REFERENCE

Understanding your letter 4281C

You received Letter 4281C because your personal information may have been compromised. The letter explains your rights under Internal Revenue Code (IRC) 7431 and provides resources and information about IRS actions to pr…

General information only. Not legal or tax advice.

Notice details

Notice code
Letter 4281C
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)
Source
IRS.gov — Understanding Your IRS Notice

What this notice is

You received Letter 4281C because your personal information may have been compromised. The letter explains your rights under Internal Revenue Code (IRC) 7431 and provides resources and information about IRS actions to protect your identity.

Source: IRS.gov. Reproduced for reference. 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-letter-4281c

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.