Form 2848 Power of Attorney: When You Need It for Form 5472

Form 2848 is an authorization, not a filing return. It tells the IRS that a specific named person may speak for you on specific tax matters and tax periods. For a foreign-owned US LLC, the matter is typically the pro forma Form 1120 (the cover return that carries Form 5472) for a particular year. The representative can then receive copies of IRS correspondence and respond to an examiner directly.

Crucially, signing the original Form 5472 is never delegated through Form 2848. The owner files the return themselves or through a paid preparer who signs the preparer block. Form 2848 only comes into play for representation — the back-and-forth with the IRS after a return is filed or after a notice arrives. Learn more about that on our IRS audit representation page.

A foreign-owned single-member LLC is a disregarded entity that cannot e-file. The complete filing is mailed to P.O. Box 149342, Austin, TX 78714-9342 or faxed to 855-887-7737 — those are the only two methods the IRS accepts. Nowhere in that process does Form 2848 appear. You do not attach it, and you do not need a representative on file to submit the return.

See the difference between filing and representation on the Form 5472 penalty page, which explains what happens once the IRS does make contact.

The trigger is always IRS-initiated contact. If your filing was late or missing, the IRS may assess the $25,000 penalty under IRC §6038A(d) and send a notice. If you want a CPA, enrolled agent, or attorney to call the IRS, read your transcripts, and write the response, they must hold a valid Form 2848 for the entity and the year in question. Without it, the IRS will not discuss your account with anyone but you.

If you have already received a notice, our IRS audit representation page explains the next steps and what credentials a representative must hold.

Form 2848 has a Declaration of Representative section where each person states their professional designation and the jurisdiction or enrollment number that backs it. The IRS only recognizes practitioners authorized to practice under Treasury Department Circular 230. A general bookkeeper or an unenrolled tax preparer without one of these credentials cannot be appointed to argue your case in an examination.

The main eligible categories

The most common representatives for a foreign-owned LLC penalty matter are CPAs, enrolled agents, and attorneys. Each can receive notices, access your IRS transcripts, and respond to the examiner. Because the $25,000 penalty has no cap and no statute of limitations, choosing a representative who understands Form 5472 specifically matters. Compare what a flat-fee filing service includes on our pricing page.

The CAF is the IRS database that tracks who is authorized to act for which taxpayer and which tax periods. When you submit Form 2848, the IRS assigns the representative a CAF number (if they do not already have one) and links the authorization to your account. Until that entry posts, the representative cannot get account-level access, so timing matters when a notice has a hard deadline.

Because posting can be slow, the better strategy is to file Form 5472 correctly and on time so a penalty notice — and the need for Form 2848 — never arises. Start on the apply page.

People often confuse the two. Form 8821, Tax Information Authorization, lets a person or company receive and inspect your confidential tax information — useful for a lender or an accountant who just needs to see transcripts. It does not let them speak for you, negotiate, or respond to an examiner. For that you need Form 2848.

For a Form 5472 penalty fight you almost always want Form 2848, not Form 8821, because you need someone who can actually respond. The full penalty mechanics are on the penalty page.

Beneficial ownership information (BOI) reporting under the Corporate Transparency Act is administered by FinCEN, not the IRS, and has nothing to do with Form 2848. As of the FinCEN interim final rule of March 2025, entities formed in the United States — which includes foreign-owned US LLCs — are exempt from filing a BOI report; only foreign reporting companies registered to do business in the US must file.

Form 5472 is a completely separate, ongoing obligation. Virtually every foreign-owned SMLLC has a reportable transaction — funding the LLC counts — so almost all must still file Form 5472 with the pro forma 1120 every year. Do not assume the BOI exemption changes that. Compare your options on the pricing page.

Filing it right the first time is the cheapest insurance against ever needing Form 2848. For a flat $299, a specialist prepares Form 5472 and the pro forma Form 1120, reviews the reportable transactions, and files by mail or fax before the April 15 deadline (or October 15 with Form 7004). That is far less than the $547 charged elsewhere and a fraction of the $999–$1,499/year compliance bundles. Begin on the apply page or weigh the numbers on the pricing page.