IRS NOTICE REFERENCE

Understanding your letter 6255C

Advising that we'll be contacting a third-party to verify your income and the federal withholding you claimed. An example of a third-party is an employer you received income from.

General information only. Not legal or tax advice.

Notice details

Notice code
Letter 6255C
Category
Examination and audit
Severity tier
Tier 2 — Action or response expected. The IRS has taken or proposed an action and expects a response or payment.
Governing law
§7602 (Internal Revenue Code section)
Source
IRS.gov — Understanding Your IRS Notice

What this notice is

Advising that we'll be contacting a third-party to verify your income and the federal withholding you claimed. An example of a third-party is an employer you received income from.

Source: IRS.gov. Reproduced for reference. General information — not legal or tax advice.

Governing IRS procedure (Internal Revenue Manual)

The IRS’s own internal procedures for handling this notice type are documented in the Internal Revenue Manual:

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-letter-6255c

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.