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Finance Teams: Forensic Checks to Spot Segment Reporting Gaps

August 30, 2026
Finance Teams: Forensic Checks to Spot Segment Reporting Gaps

ASU 2023-07 requires public entities, including single-segment companies, to disclose significant segment expense categories regularly provided to the chief operating decision maker, expand interim segment disclosures, and apply the guidance retrospectively unless doing so is impracticable. Annual periods beginning after December 15, 2023 fall under the new rules, with interim periods following a year later. The amendment reshapes how analysts assess segment reporting changes across every public filer, regardless of segment count.

TL;DR:

  • Companies must now disclose significant segment expense categories that are regularly provided to the chief operating decision maker and materially impact segment profitability.
  • The new rules apply retrospectively and extend most annual and interim segment disclosures, starting from fiscal years after December 15, 2023, with interim reporting beginning after December 15, 2024.
  • Identifying significant expenses involves cross-referencing management reports and assessing both quantitative thresholds and qualitative factors; building ongoing reconciliation processes is critical.
  • Changes in what is regularly provided to the decision maker or new data collection efforts can trigger the need to restate prior periods unless deemed impracticable, which requires detailed documentation.
  • Firms should establish formal processes for mapping expenses, confirming disclosures, and controlling changes to minimize audit and SEC comment risks.

Table of Contents

What Changed Under the New Segment Reporting Standards

The Financial Accounting Standards Board designed ASU 2023-07 to close a long-standing gap between what management sees internally and what investors receive in the footnotes. The amendment does not redefine a segment. It amends the disclosure architecture layered on top of the existing ASC 280 framework, and it does so through several specific additions:

  • Disclosure of significant expense categories and amounts that are regularly provided to the CODM and included in each measure of segment profit or loss.
  • Disclosure of the amount and a qualitative description of "other segment items," the residual bucket between segment revenue, disclosed expenses, and reported profit or loss.
  • Extension of most annual segment disclosure requirements into interim reporting, not just annual filings.

The mechanism driving all of this is what practitioners call the significant expense principle: if an expense category is regularly provided to the CODM and materially affects segment profitability, it belongs in the footnotes. This is a disclosure change, not an identification change. Firms including KPMG and PwC have stressed that the management approach for identifying segments themselves stays exactly as it was under legacy ASC 280.

Who Must Comply and When Does It Take Effect

The amendment applies to all public entities subject to ASC 280, and it explicitly reaches single-segment reporters, a population that previously escaped much of the standard's granularity. That inclusion is one of the more consequential shifts in this round of segment reporting changes, since many single-segment issuers had never built the internal data infrastructure to break out expenses by CODM measure.

Effective dates follow a staggered calendar:

  • Annual periods: fiscal years beginning after December 15, 2023. A calendar-year filer applies the standard starting with the first fiscal year Form 10-K after this date.
  • Interim periods: fiscal years beginning after December 15, 2024, meaning that same calendar-year filer's first quarterly disclosures under the new rule land in the first-quarter 2025 Form 10-Q.
  • Early adoption is permitted for any period where financial statements have not yet been issued.
  • Application is retrospective to all prior periods presented, unless retrospective application is impracticable.

Preparers who treated the annual effective date as the finish line often discover the interim requirement is where the real reporting burden lands, since it multiplies the disclosure obligation across four filings a year instead of one.

How Do You Identify Significant Segment Expenses?

Determining which expense categories clear the disclosure bar requires two tests working together, and neither one is purely mechanical. The first asks whether a category is regularly provided to the CODM, meaning it shows up in the recurring internal reports that decision-maker actually reviews, not a one-off analysis built for a board meeting. The second asks whether that category is easily computable from the information already used to manage the segment.

A practical sequence for classifying expenses looks like this:

  1. Pull the CODM reporting package (management dashboards, budget-to-actual reports, board decks) and inventory every expense line that appears by segment.
  2. Cross-reference each line against the segment profit or loss measure disclosed externally, since the principle only captures items included in that measure.
  3. Assess quantitative significance using judgment informed by the existing 10% quantitative thresholds under ASC 280, even though the significant expense test itself is principle-based rather than a bright-line percentage.
  4. Layer in qualitative significance: a smaller expense category tied to a known investor concern (litigation reserves, restructuring costs) may still warrant disclosure.
  5. Aggregate whatever remains into "other segment items" and describe its composition in plain language rather than leaving it as an unexplained plug.

Common categories that clear the bar in practice include cost of goods sold components tracked by segment, depreciation and amortization when segment-specific, and personnel costs where CODM reporting breaks out labor by business line.

Pro Tip: Build a standing reconciliation between the CODM reporting package and the external segment footnote every quarter, not just at year-end. Retrofitting that reconciliation during audit season is where most restatement risk originates.

Restatement, Recasting, and When Impracticability Applies

Segment composition is not static, and ASC 280 has always required recasting prior periods when it changes. ASU 2023-07 raises the stakes because a change in what is regularly provided to the CODM, say, a company begins tracking R&D by segment for the first time, can itself trigger a recasting obligation even without a formal segment realignment.

Deloitte's roadmap on restatement treats impracticability as a genuinely high threshold, not a convenient escape hatch. When restatement is impracticable, the entity must disclose that fact along with the reason, and dual presentation is often expected so investors can see both the old and new bases side by side.

SEC staff attention concentrates on a predictable set of areas:

  • Aggregation of operating segments into reportable segments, and whether the aggregation criteria are still met after a business change.
  • Inconsistencies between the segment footnote and the narrative in MD&A or earnings call commentary.
  • Changes in reportable segments that lack adequate explanation of the underlying measurement shift.
  • Single-segment registrants whose disclosures still read as if the amendment does not apply to them.

Practitioners describe impracticability determinations as one of the likeliest sources of comment letters this cycle, precisely because the documentation bar sits so high.

Building an Implementation Checklist That Limits Comment Risk

Closing the gap between management reporting and GAAP disclosure starts with a mapping exercise, not a drafting exercise. Finance teams that treat this as a late-stage disclosure edit rather than a data project tend to discover the gaps during external review, which is the worst possible time.

A workable sequence for both interim and annual cycles:

  1. Map every expense category in the CODM reporting package to its corresponding line, or absence, in the external segment footnote.
  2. Confirm with the CODM (often the CEO, sometimes an operating committee) exactly which reports they regularly review, since that confirmation is the evidentiary basis for the significant expense determination.
  3. Document the "easily computable" analysis for each disclosed category, including the source system and any allocation methodology used.
  4. Build a change-control process so that any modification to CODM reporting triggers an automatic review of segment disclosure impact.
  5. Assign specific ownership, typically FP&A for data extraction, technical accounting for the principle-based judgment calls, and internal audit for the control review, before the first interim filing under the new rule.
  6. Brief investor relations on downstream effects: newly visible segment-level costs can reframe how analysts read margin trends, incentive compensation metrics, and debt covenant calculations tied to segment performance.

Pro Tip: Treat the CODM confirmation as a formal, dated memo rather than a verbal understanding. When SEC staff or auditors ask how you identified "significant" expenses, an undocumented judgment call is far harder to defend than a signed record.

For teams building broader controls around this cycle, a structured risk reporting checklist can help formalize the governance layer around new disclosure obligations before the first filing deadline arrives.

Spotting Disclosure Gaps With Forensic Segment Analysis

Segment footnotes rarely lie outright, but they can obscure through aggregation, vague "other segment items" descriptions, or a mismatch between what management says on an earnings call and what the numbers actually show. Cross-checking the segment footnote against MD&A language, CODM commentary on earnings calls, and prior-period press releases is how analysts catch the difference between conservative disclosure and engineered opacity.

Hand with magnifying glass examining ledger page

Red flags worth tracking include an "other segment items" line that grows disproportionately relative to disclosed categories, expense categories that appear in one filing and vanish the next without explanation, and segment margin narratives on earnings calls that don't reconcile to the footnote detail. Lacunaindex applies this kind of cross-source comparison systematically, using sector benchmarks to flag which companies' disclosure patterns diverge most from peers, prioritizing where deeper forensic review is likely to surface a real gap rather than noise. The narrative-versus-execution framing behind that method treats disclosure choices as data points in their own right.

Where Segment Disclosure Is Headed Next

Expect continued pressure toward granularity. Investors and the SEC are converging on the same demand: expense detail that actually maps to how management runs the business. Analysts reviewing this cycle's filings should prioritize three things: restatement mechanics, consistency between the footnote and CODM reporting, and what exactly sits inside "other segment items." Ask management directly how that residual category was defined.

— Glen

Where to Go for Authoritative Guidance Next

Start with the FASB's project summary for the amendment's full text and basis for conclusions, then review the SEC's filing reference for effective-date mechanics. Deloitte's roadmap covers restatement in depth, and Lacunaindex's User Guide explains how to read forensic reports built around narrative-versus-disclosure gaps like the ones this standard now exposes.

Sources