Form 5472 catch-up guide

Late Form 5472 versus an IRS penalty notice

A missed filing discovered before IRS contact and an assessed penalty notice are not the same engagement. Both begin with the filing requirement and transaction records, but a notice adds a live response deadline, procedural posture and correspondence record.

No IRS notice received

Delinquent filing analysis

  1. 1. Confirm a return was required. Review entity classification, foreign ownership and reportable transactions for each year.
  2. 2. Reconstruct the transaction record. Tie contributions, distributions, loans and owner-paid costs to support.
  3. 3. Prepare the correct filing package. A foreign-owned US disregarded entity generally files Form 5472 with the limited pro forma Form 1120.
  4. 4. Evaluate reasonable cause separately. A statement must be grounded in the taxpayer's facts; relief is not automatic.

IRS notice received

Notice-response engagement

  1. 1. Preserve the complete notice. Keep every page, envelope, notice number, tax period and response date.
  2. 2. Protect the deadline. Do not assume that preparing a return pauses or resolves a notice.
  3. 3. Reconcile the IRS record. Confirm what was filed, received and assessed before choosing a response.
  4. 4. Build the response from evidence. The filing package, facts, timeline and reasonable-cause support must agree.

What the $25,000 penalty rule says

The IRS Form 5472 instructions state that a $25,000 penalty will be assessed when a reporting corporation fails to file Form 5472 when due and in the prescribed manner. A substantially incomplete form is treated as a failure to file. Additional penalties can apply if the failure continues more than 90 days after IRS notification.

Reasonable-cause relief depends on the facts and circumstances and the taxpayer's documented effort to comply. It should not be marketed or treated as guaranteed.

Bring these records

  • Every page of any IRS notice
  • EIN letter and formation documents
  • Prior Forms 1120, 5472 and 7004
  • Owner ledger and bank activity
  • Emails and records supporting the timeline

Use the right scope for the situation

The $550 starting fee is for a simple one-entity, one-year filing with organized records. Late-year analysis, transaction reconstruction, IRS notices, reasonable-cause work and penalty responses are quoted separately.

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Reviewed by , founder of Illuminous Accounting and a Washington State CPA. Last reviewed August 28, 2026.

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