The Securities and Exchange Commission (SEC) establishes filing requirements that combine financial statements, explanatory disclosures, and structured data. Domestic commercial issuers generally prepare their financial statements under United States generally accepted accounting principles (U.S. GAAP).
Regulation S-X governs financial statement form, content, presentation periods, and supporting schedules. Its requirements address consolidated statements, notes, interim financial information, and applicable acquired-business statements and pro forma information.
Regulation S-K governs disclosures accompanying financial statements, including business descriptions, risk factors, management discussion, executive compensation, ownership, governance, and exhibits. Its requirements include both qualitative explanations and numerical disclosures, while Regulation S-X also requires narrative notes.
The requirements operate together:
Management's discussion and analysis (MD&A) explains results of operations, liquidity, capital resources, and material known trends or uncertainties. Regulation S-K requires explanations of material changes and their causes, including relevant cash requirements and off-balance-sheet arrangements, rather than a numerical recitation.
Public company reporting distinguishes recurring reports from event-triggered reports and securities-registration documents. The applicable form determines which financial and narrative components must accompany the filing.
Common mistakes
- Float-only classification. Assigning Crestline a 75-day annual deadline ignores its SRC revenue-test exclusion; the supported deadline is 90 calendar days.
- Netting the threshold base. In Example 1, . The incorrect threshold, , makes the $1 million profit segments falsely pass; Logistics remains reportable.
- Internal sales in coverage. Fabrication and Logistics have of total segment revenue; incorrectly appears sufficient. Their external coverage is only 73%.
Bottom line
- Regulation S-X governs financial statement presentation and schedules; Regulation S-K governs specified accompanying disclosures, including numerical and narrative information.
- Filer classification requires the applicable reporting-history, float, revenue, and transition conditions; SRC and EGC accommodations answer separate reporting questions.
- XBRL connects facts with concepts, contexts, units, and dimensions; Inline XBRL combines readable presentation with required machine-readable tagging.
- Operating segments follow actual management review, and aggregation requires the applicable economic and operational similarities.
Exam shortcut
A preparer first identifies the requested output: filing form, deadline, tagged fact, reportable set, or note disclosure. That choice determines the relevant rule. Deadline analysis checks reporting history and prior status before float, then tests the revenue exclusion and distinguishes calendar days from business days. Segment analysis separates external revenue from intersegment revenue and profitable segments from loss-making segments before computing thresholds. The coverage test then uses external revenue.
The full lesson (about 8,064 words, 54 min read) adds 3 worked examples, all 6 common mistakes, a self-check, free in the app.
Learning objectives
- II.J1
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