IRS Audit Support for CPA Firms: What an Offshore Team Can Do During an IRS Exam

IRS audit support for CPA firms covers the production work behind an examination: assembling the documents an examiner asks for, building reconciliations and drafting schedules, while a licensed representative handles every contact with the IRS. An offshore team can do much of that production work, provided the firm keeps representation onshore and gets the client's Section 7216 consent before exam files leave the United States.

This guide is for firms that already prepare returns with offshore help and want to use the same team when a client's return is examined. It covers how the work splits between the representative and the support team, how to answer an Information Document Request (IDR), and the three rules that set the boundaries: who may practice before the IRS, what Form 2848 authorizes, and when client data can go offshore. For the client-side checklist, see our guide on how to prepare for a tax audit, and for why returns get picked in the first place, see 10 common IRS audit triggers to avoid.

How an IRS Exam Reaches the CPA Firm

The IRS says it conducts audits "either by mail or through an in-person interview to review your records," and that it "won't initiate an audit by telephone." The first contact is a letter, and the IRS will send "a written request for the specific documents we want to see" (IRS audits). The taxpayer also has a right to representation by an authorized representative, which is usually where the CPA firm comes in.

In practice, the written request is Form 4564, Information Document Request. The Internal Revenue Manual tells examiners that Form 4564 "will be used to document all requested information and documents needed to support items being examined," that requests "should be specific," and that each Form 4564 "must always include a date for submission of the requested information or documents" (IRM 4.10.2). The IRM also says that when a valid Form 2848 or Form 8821 is on file, the initial appointment is scheduled with the representative.

That structure suits an offshore team well. Each IDR lists specific items for specific periods with a due date, which turns into a task list the support team can work through while the representative focuses on the issues.

Who Does What in IRS Audit Support for CPA Firms

The split below follows a simple rule: anything that is presented to the IRS or decided on the client's behalf stays with the representative, and anything that compiles, reconciles or drafts for review can go to the support team.

Rule 1: Only Authorized Practitioners Deal With the IRS

Circular 230 (31 CFR Part 10) sets out who may practice before the IRS. Section 10.3 lists "any attorney who is not currently under suspension or disbarment," "any certified public accountant who is not currently under suspension or disbarment," and "any individual enrolled as an agent," plus a few narrow categories such as enrolled actuaries and enrolled retirement plan agents whose practice is limited to specific issues (31 CFR 10.3). Section 10.2 defines practice as "all matters connected with a presentation" to the IRS about a taxpayer's rights or liabilities, which includes communicating with the IRS and appearing at meetings for a client.

For an offshore support team, the practical result is that staff in another country do not call the examiner, attend the meeting, sign the response or email the revenue agent. They work inside the firm's systems and hand their output to the representative. The representative's due diligence duties also apply to work prepared by others, which our article on Circular 230 due diligence covers in more detail.

Rule 2: What Form 2848 Covers and What It Does Not

The Form 2848 instructions say the form is used "to authorize an individual to represent you before the IRS," and that "you may only name individuals who are eligible to practice before the IRS as representatives." Unenrolled return preparers can be named only within narrow limits and must hold a valid PTIN. The instructions also say that filing Form 8821 "will not authorize the unenrolled return preparer to represent you" (Form 2848 instructions).

Three points follow for a firm using offshore staff:

• Name the CPA or EA who will handle the exam on Form 2848. The support team is never listed, and a Form 8821 for a support staff member would let the IRS share information with that person but would not let them speak for the client.
• Keep the CAF confirmation and the signed 2848 in the exam file so the support team knows exactly which tax matters and years are authorized. Requests outside that scope go back to the representative.
• When the examiner sends correspondence to the representative, the representative forwards the IDR into the shared tracker. The offshore team never becomes the IRS point of contact.

Our guide to Form 8821 and Form 2848 and the IRS authorizations they grant explains the differences line by line.

Rule 3: Section 7216 Consent Before Exam Files Go Offshore

Exam files are full of tax return information: the return itself, the workpapers behind it and the records the client supplied to prepare it. The Section 7216 regulations define tax return information as information "furnished in any form or manner for, or in connection with, the preparation of a tax return of the taxpayer".

Within the United States, a preparer's staff can share that information with colleagues to prepare a return or provide auxiliary services without consent. The regulation then adds that if the colleague receiving it is located outside the United States, "the taxpayer's consent under § 301.7216-3 prior to any disclosure is required" (26 CFR 301.7216-2).

The consent rules in 301.7216-3 add a specific limit for Form 1040 filers. A US preparer generally "may not obtain consent to disclose the taxpayer's social security number (SSN)" to a preparer abroad and "must redact or otherwise mask the taxpayer's SSN" first. A narrow exception allows consent to SSN disclosure only when the information is sent "through the use of an adequate data protection safeguard" (26 CFR 301.7216-3). The consent must also be knowing and voluntary, and the firm cannot make its services conditional on the client signing it.

Before the first IDR document is uploaded for offshore work, the representative should confirm that a valid offshore consent is on file for this client and that it covers the information being sent. Many firms obtain consent at engagement; if the client never signed one, get it before the exam work starts. Our article on Section 7216 consent covers the form and wording requirements.

Working an IDR With an Offshore Team

A workable sequence for a correspondence or office exam looks like this.

1. Intake. The representative reads the notice and the Form 4564, confirms the years and issues, and checks the 2848 and 7216 consent. Each IDR item becomes a numbered line in a tracker with its due date.
2. Document request to the client. The representative or onshore manager asks the client for records. The offshore team prepares the request list from the IDR so nothing is missed.
3. Assembly. The support team renames and indexes every file to match the IDR item number, so exhibit 3.2 answers item 3 and the examiner can find it without a cover sheet hunt.
4. Analysis. The team builds the schedules each issue needs, such as deposit analyses, expense substantiation summaries, payroll tie-outs between Forms 941, W-2s and the ledger, or a home office computation. Every number carries a reference to the source document.
5. Exceptions list. Anything the records do not support goes on a separate list for the representative. The support team does not decide how to present weak items.
6. Draft response. The team drafts the cover letter and item-by-item narrative. The representative edits, decides what to submit and signs.
7. Submission and follow-up. The representative sends the package by the IDR date or arranges an extension with the examiner, and any follow-up IDR starts a new cycle.

For the layout of the final package, see our IRS audit response pack with sample cover letter, indexing and exhibits.

Worked Example: Bank Deposit Analysis for an IDR

Bank deposit analysis is often the largest single task in an income exam, and it is pure production work. Suppose an IDR asks a Schedule C client to explain the difference between total 2024 deposits and reported gross receipts of $331,950. The offshore team traces each deposit to its source and prepares this summary, with each line backed by statements and loan or transfer documents.

The $5,250 goes on the exceptions list. The representative then decides whether it reflects timing, a sale recorded in the wrong year, or income that should have been reported, and how to address it with the examiner. The figures here are illustrative only.

When the client's books were never reconciled, the same method still works, starting from bank statements and information returns. The patterns that cause trouble in those files overlap with the common audit issues small businesses face and how to fix them, such as mixed personal and business accounts and missing cut-off.

How Support Changes by Type of IRS Exam

Correspondence exams run entirely by mail and cover a small number of items. They are almost all document assembly and schedule work, so the support team can carry most of the effort while the representative reviews and signs.

Office exams take place at an IRS office with the examiner reviewing records and asking follow-up questions in real time. Preparation is the same as for a correspondence exam, with more emphasis on a complete binder and summary schedules because the representative will rely on them in the meeting.

Field exams take place at the taxpayer's business or the representative's office and often cover several issues or years. The support team's role grows to multi-year reconciliations, expense analyses by year and organized workpapers the representative can reference on site.

CP2000 notices come from the IRS's automated matching of returns to third-party information returns. The response work is similar to an exam: reconcile the client's return to the W-2s, 1099s and K-1s the IRS cites and draft a response for the representative.

Controls That Keep Offshore Exam Work Clean

• Access through the firm's environment. Exam files stay in the firm's document management system or a virtual desktop, with downloads to local devices disabled and access logged.
• Named staff per engagement. Only the staff assigned to the exam can open the folder, and access ends when the exam closes.
• Source references on every schedule. The representative should be able to click from any figure to the document behind it before signing.
• Review sign-off. Nothing goes to the IRS without the representative's documented review of the schedules and the narrative.
• Retention. Final exam files sit in the firm's systems, and working copies in the offshore environment are removed under the firm's retention policy.

Offshore support for IRS exams is a different service from offshore support for financial statement audits, where the rules come from auditing standards and, for public companies, the PCAOB. That setting is covered in our offshore audit support PCAOB and US GAAP workpapers guide.

Frequently Asked Questions

Can an offshore accountant talk to the IRS examiner on behalf of my client? No. Practice before the IRS, including communicating with an examiner for a client, is limited to the categories in Circular 230 section 10.3, and Form 2848 can only name individuals eligible to practice. The offshore team prepares material for the representative and does not act as the IRS contact.

Do I need new 7216 consent for audit work if the client already consented for return preparation? Check the wording of the existing consent. If it covers disclosure of the client's tax return information to preparers outside the United States for the services you are now providing, it may be enough. If it is limited to return preparation for a specific year or does not cover offshore disclosure, get a new consent before sending exam files.

Can the offshore team see the client's Social Security number? For Form 1040 filers, the regulations generally require the SSN to be redacted or masked before information goes to a preparer abroad. Consent to send the SSN is allowed only when an adequate data protection safeguard is used, so confirm your setup meets that standard before relying on the exception.

Can an offshore team help with state income or sales tax audits? The production work is the same: records, reconciliations and response schedules. Each state has its own representation and confidentiality rules, so check the state's power of attorney form and disclosure rules before involving offshore staff. For sales tax exams, see our guide on how to handle a sales tax audit.

How long do we have to answer an IDR? Each Form 4564 must include a response date. If the support team cannot finish in time, the representative should ask the examiner for more time before the date passes. The team should never contact the IRS to request it.

Next Step

Madras Accountancy supports US CPA firms with offshore staff who prepare exam schedules, document indexes and draft responses inside the firm's own review and representation process, alongside tax preparation and bookkeeping work. To talk through how support could fit your IRS exam workflow, contact our team.