Recent Rulemakings Reviewed is a monthly quantitative snapshot of federal regulatory activity, drawn from FRTracker—a platform that ingests Federal Register documents and decomposes binding rules into structured “obligations.”

An “obligation” in this dataset is a single regulated duty extracted from a rule’s text, comprised of: an actor (e.g., operator, employer, importer), a deontic modal (must, shall, may not), and an action.

Each issue of Recent Rulemakings Reviewed will present the preceding month’s key numbers, some developments worth watching, and links for readers who want to dig deeper.

A note on the figures: all counts are drawn from FRTracker as of this column’s publication date. Because document processing and obligation extraction run continuously, monthly totals and per-rule counts can shift modestly as records are reprocessed; the numbers here reflect the database as it stood the day this issue was published.

The numbers

• Documents published (excluding presidential documents): 2,311
  • vs May 2026: 2,268
  • vs June 2025: 2,076
• Final rules: 340
  • vs May 2026: 252
  • vs June 2025: 213
• Proposed rules: 142
  • vs May 2026: 176
  • vs June 2025: 136
• Rules flagged significant in Federal Register metadata: 33
  • vs May 2026: 34
  • vs June 2025: 30
• Comment periods closed last month: 736
• Compliance obligations extracted from last month’s publications: 4,730

June tilted sharply toward finalization: final rules climbed from 252 to 340 while proposed rules fell from 176 to 142. The month reads less like a wave of new initiatives than a stretch spent closing out rules already in the pipeline.

The Shortcut Ledger

A new recurring feature. Not every rule travels the full notice-and-comment road. An agency can issue a rule as interim-final (effective immediately, comment invited afterward), direct-final (effective unless someone objects), or temporary—each a lawful shortcut around the ordinary propose-then-comment sequence. The label alone is not proof the shortcut was proper; the good-cause exception it usually rests on can be entirely valid. But the pathways are worth counting, because they are where binding obligations reach the public without a proposal first.

Pathway	Rules	Obligations
Temporary	49	29
Interim-final	7	162
Direct-final	4	7
Total expedited	60	198

The pattern is telling: interim-final rules were the rarest of the three pathways (7 rules) yet carried by far the most obligations (162). The shortcut does not appear reserved for mere housekeeping.

The month’s most structurally notable shortcut was the Department of Veterans Affairs’ Implementing Regulation for the National Environmental Policy Act, an interim-final rule that took effect the day it published (June 15), carrying 79 extracted obligations and issued under NEPA itself. It was one of several agency-specific NEPA procedures issued after the Council on Environmental Quality rescinded the government-wide NEPA regulations. The interim-final bucket also contains the month’s biggest policy story, discussed in more detail below.

Primary source: Federal Register (2026-11973) · FRTracker analysis

Remarkable Rulemakings

The month’s densest final rule governs a narrow slice of industry. The EPA’s National Emission Standards for Hazardous Air Pollutants From Hazardous Waste Combustors: Residual Risk and Technology Review (finalized and effective June 3) yielded 469 extracted obligations—the most of any final rule last month—despite regulating a single, specialized source category. Issued under the Clean Air Act as a periodic residual-risk-and-technology review, it is the kind of technical update a document tally logs as one filing among thousands. Counting the duties inside it, rather than the documents, is what surfaces it as the month’s heaviest single final rule.

The busiest agency was not the most demanding. The Commerce Department led June on document count—251 filings—but those translated into a modest share of the month’s obligations. The obligation lead went instead to the Office of Management and Budget, which produced 1,109 extracted obligations from just six documents, on the strength of a sweeping proposed overhaul of the Federal Acquisition Regulation (discussed below). Raw filing volume and regulatory weight are, again, not the same thing.

Even undoing a rule can register as dense. The EPA’s Congressional Review Act Revocation of the 2024 rubber-tire NESHAP amendments yielded 195 extracted obligations—not because striking a rule imposes duties, but because the revoking document restates the provisions it removes. It is a useful reminder about the tracker’s methodology: an obligation count reads rule text, and rule text can describe subtraction as fluently as addition.

Three developments worth watching

1. Medicaid work requirements arrive through an interim-final rule.

On June 3, the Centers for Medicare & Medicaid Services issued the Medicaid Program; Community Engagement Requirement for Certain Individuals—the federal “work requirements” rule—as an interim-final rule issued under the Social Security Act, effective July 31 with comment invited afterward. A policy change of this magnitude arriving through a notice-and-comment shortcut, rather than a proposal, is precisely the pattern the Shortcut Ledger above is built to surface. It carries 62 extracted obligations and is not flagged significant in the Federal Register’s metadata—an observation about the record, not a judgment about the rule’s importance.

Primary source: Federal Register (2026-11094) · FRTracker analysis

2. EPA’s methane standards reconsideration takes effect.

The agency’s Reconsideration of Standards of Performance … Oil and Natural Gas Sector Climate Review took effect June 8, carrying 319 extracted obligations—among the month’s densest—and reworking Clean Air Act standards for the oil and gas sector finalized in 2024. It arrived in a busy month for the agency, alongside the finalized Renewable Fuel Standard for 2026 and 2027 (effective June 15) and the air-toxics rule noted above.

Primary source: Federal Register (2026-06808, 2026-06275) · FRTracker analysis

3. A sweeping overhaul of the federal acquisition rules enters comment.

The Office of Management and Budget’s “Revolutionary Federal Acquisition Regulation Overhaul” produced the month’s largest proposed rulemaking by obligation count—1,013 extracted obligations across three linked proposals, each rewriting different parts of the Federal Acquisition Regulation. All three are proposals, open for comment; the obligations they contain are proposed, not yet binding. For contractors and contracting officers, it is the month’s development most worth watching.

Primary source: Federal Register (2026-12562, 2026-12559, 2026-12560) · FRTracker analysis

Further reading

Most active agencies last month (number = Federal Register documents published):

• Commerce Department (251 docs)
• Securities and Exchange Commission (242 docs)
• Transportation Department (224 docs)
• Health and Human Services Department (221 docs)
• Energy Department (157 docs)

Significant rules published. OIRA flagged these rules as significant under E.O. 12866 §3(f). We show the five with the largest extracted obligation count; ordering is ours, designation is theirs.

• National Emission Standards for Hazardous Air Pollutants — Environmental Protection Agency (469 obligations)
• Implementing Regulation for the National Environmental Policy Act (VA) — Veterans Affairs Department (79 obligations; interim-final)
• Federal Independent Dispute Resolution Operations — Office of Personnel Management (55 obligations)
• Tanker Security Program — Transportation Department (51 obligations)
• Medicare Program; Strengthening Oversight of Accrediting Organizations — Health and Human Services Department (31 obligations)

Rules that took effect. OIRA-significant rules (E.O. 12866 §3(f) designation) that took effect through the ordinary process, ordered by extracted obligation count. (Rules that reached effect through an expedited pathway are counted in the Shortcut Ledger above.)

• National Emission Standards for Hazardous Air Pollutants — Environmental Protection Agency (469 obligations) · significant
• Reconsideration of Performance Standards for the Oil and Natural Gas Sector — Environmental Protection Agency (319 obligations) · significant
• Small Business Lending Under the Equal Credit Opportunity Act (Regulation B) — Consumer Financial Protection Bureau (98 obligations) · significant
• Renewable Fuel Standard Program: Standards for 2026 and 2027 — Environmental Protection Agency (85 obligations) · significant
• Implementing PATRIOT Act Improvements: Contraband Cigarettes and Smokeless Tobacco — Justice Department, Bureau of Alcohol, Tobacco, Firearms and Explosives (17 obligations) · significant
• Medicare Program CY2027 Updates — Health and Human Services Department (10 obligations) · significant
• Alien Registration Form and Evidence of Registration — Homeland Security Department (7 obligations) · significant
• Rescission of the Conservation and Landscape Health Rule — Interior Department, Bureau of Land Management (7 obligations extracted from the rule text) · significant
• Single Family Housing Guaranteed Loan Program — Agriculture Department (3 obligations) · significant

For readers who want the underlying dataset: the full monthly snapshot is at frtracker.app/monthly/2026-06, with methodology at frtracker.app/methodology.

Andrew Leahey is an Assistant Teaching Professor of Law at Drexel Kline School of Law.