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Navigating SEC Audits for REITs: Your Guide to Rules S-X 3-14, S-X 3-05 and S-X 3-09

by Nick Antonopoulos

January 15, 2026 Real Estate & Construction, Real Estate Investment Trusts (REITs)

For existing public Real Estate Investment Trusts (REITs) or REITs considering going public, acquisitions drive growth and shareholder value — but they also trigger complex Securities and Exchange Commission (SEC) audit requirements that can delay filings and capital raising if not properly managed. Failing to understand and prepare for these obligations can lead to costly disruptions in reporting, financing and strategic initiatives.

This comprehensive guide breaks down the critical audit requirements REIT executives, CFOs and compliance officers need to master to help ensure seamless SEC audit compliance and readiness.

Understanding SEC Regulation S-X: The Foundation of SEC Financial Reporting

Before diving into specific rules, it’s essential to understand the framework to which they belong. Regulation S-X governs the form and content of financial statements that must be included in SEC registration statements and periodic filings.

Rules S-X 3-14, S-X 3-05 and S-X 3-09 collectively determine when or what type of separate audited financial statements must be filed following acquisitions or investments. For REITs, these three rules are especially important when dealing with property acquisitions and significant equity holdings.

Rule S-X 3-14: Financial Statements of Real Estate Operations to Be Acquired

Rule S-X 3-14 is the most frequently encountered rule for REITs and is triggered when acquiring a “significant” real estate operation.

When It Applies: This rule applies to the acquisition of individual or multiple properties that constitute a real estate operation where activities are “substantially all” from leasing. A key distinction is that this rule applies to the acquisition of assets, not an entire business entity. If ancillary services, such as restaurants, hospitality or healthcare, generate more revenue than rent, the acquisition may instead fall under Rule S-X 3-05.

Significance and Requirements: An acquisition’s significance is determined by the Investment Test, which compares the REIT’s investment in the property to its total assets.

  • Significance < 20%: No financial statements are required.
  • Significance > 20%: Audited financial statements for the most recent fiscal year are required.
  • Financial Statements: Rule S-X 3-14 requires simplified statements of revenues and certain expenses, rather than full accounting principles generally accepted in the United States of America (GAAP) financial statements. Expenses not comparable to post-acquisition operations — such as mortgage interest, depreciation and amortization, and corporate-level expenses — may be excluded.

Read “What is an SEC S-X 3-14 Real Estate Operations Acquisition Audit” for more detail

Rule S-X 3-05: Financial Statements of Businesses Acquired or to Be Acquired

While Rule S-X 3-14 deals with assets with real estate operations, Rule S-X 3-05 applies when a REIT acquires a business — for example, another REIT, property manager, hotel, or portfolio with integrated management and operations.

When It Applies: Determining whether an acquisition is a business or a real estate operation is a critical first step. The assessment hinges on whether the acquisition includes substantive processes and inputs, such as an in-place workforce and operational functions. The SEC has emphasized an entity is a business if there is continuity of operations before and after acquisition.

Significance and Requirements: Rule S-X 3-05 uses three tests, and the highest percentage reached determines the requirement:

  1. The Investment Test
  2. The Asset Test
  3. The Income Test

Periods Required:

  • Significance ≤ 20%: No financial statements required.
  • Significance > 20% but ≤ 40%: Audited financials for the most recent fiscal year.
  • Significance > 40%: Audited financials for the two most recent fiscal years.

Rule S-X 3-09: Financial Statements of Unconsolidated Equity Method Investees

This rule addresses significant equity method investments, which are common in joint ventures where a REIT holds a substantial interest but lacks controlling power.

When It Applies: Rule S-X 3-09 applies when an investment in an unconsolidated entity (an “investee”) is significant, typically when accounted for under the equity method.

Requirements: If the investment’s significance exceeds 20% (based on the investment or income tests), the REIT must provide separate, audited financial statements for that investee in its own annual report (Form 10-K). This can pose challenges, as it requires coordination with third parties to obtain timely, PCAOB-compliant financial statements.

SEC Audit Preparation for REITs: A Practical Checklist

Proactive planning is the key to mastering these complex requirements. A last-minute scramble for historical data can derail the closing timeline. Below are best practices to be prepared:

  • Engage Auditors Early. Involve your audit firm as soon as a potential acquisition is identified. They can help assess the availability and quality of financial records. In addition, if the deposits on an acquisition transaction have gone “hard,” management should consider starting the audit at this point to complete it more quickly.
  • Perform Pre-Acquisition Due Diligence. Make the seller’s ability to provide auditable historical financial statements a key condition of the purchase agreement.
  • Assess Significance Immediately. Run preliminary significance calculations for all three rules as soon as data is available to determine filing obligations and timelines.
  • Gather Historical Data. Begin collecting property-level data — rent rolls, operating expense ledgers and capital expenditure records — well before the audit begins.
  • Understand Pro Forma Requirements. In addition to historical financials, you must prepare pro forma financial statements showing the combined effect of the transaction.
  • Know Your Deadlines. Remember required financial statements under Rules S-X 3-14 and S-X 3-05 are generally due within 71 days of filing the initial Form 8-K announcing the acquisition.

Common Pitfalls Surrounding SEC S-X Rules and How to Avoid Them

Below are some key missteps to avoid when complying with SEC S-X rules:

  • Misclassifying Acquisitions. Applying the simplified Rule S-X 3-14 to a property that should fall under the more comprehensive Rule S-X 3-05 is a frequent error. If revenue from services is significant, Rule S-X 3-14 treatment does not apply.
  • Underestimating Audit Timelines. Many REITs underestimate the time required for these audits, especially when historical records are incomplete or a seller is unfamiliar with SEC requirements. Build buffer time into your 71-day filing window.
  • Neglecting Pro Forma Requirements. Under Article 11, pro forma information must accompany financial statements. Failure to prepare compliant pro formas is a common trigger for SEC comment letters.
  • Ignoring Equity Investments. Joint ventures often trigger Rule S-X 3-09 requirements. Do not overlook them during your compliance review.

Turning Compliance into a Competitive Advantage

Mastering SEC audit requirements under Rules S-X 3-14, S-X 3-05 and S-X 3-09 is more than a compliance exercise — it’s a strategic imperative. By embedding a deep understanding of these rules into your acquisition and investment processes, your REIT can move faster, transact with greater certainty and maintain investor trust.

Investors increasingly scrutinize audit timeliness and transparency, making proactive SEC compliance a differentiator in today’s competitive REIT marketplace. For REITs, mastering these rules isn’t just about regulatory compliance, it’s about enabling efficient capital deployment and strengthening confidence in your financial reporting.


Contact Nick Antonopoulos or a member of your service team to discuss this topic further.

In this blog Cohen & Co is not rendering legal, accounting, investment, tax or other professional advice. Rather, the information contained in this blog is for general informational purposes only. Any decisions or actions based on the general information contained in this blog should be made or taken only after a detailed review of the specific facts, circumstances and current law with your professional advisers.

About the Author

Nick Antonopoulos, CPA

Managing Director, Cohen & Co Advisory, LLC
Managing Director, Cohen & Company, Ltd.
nantonopoulos@cohenco.com
312.277.7203

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