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Sub-regulatory federal guidance: what an agency says its own rules mean, short of a regulation. 51 named sources across 26 agencies, 81,451 documents. All 51 sit behind the single corpusType=AGENCY_GUIDANCE token. Narrow to one with source. A new source lands as a registry entry, not a new API token.
GET /us/statutes/coverage names every source in its AGENCY_GUIDANCE legend, and an invalid source returns the full list with each code’s name. Treat those two as authoritative over this page.

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The registry

Grouped by agency. Documents are citable items (act_id), measured per source on 2026-09-06. Sources marked [note] have a caveat in Source notes that changes how you should read their results.
This column sums to 92,606, and GET /us/statutes/coverage reports 81,451 for AGENCY_GUIDANCE. The endpoint is authoritative and the headline above uses its figure. The 11,155 difference is a gap between what the per-source counts measured and what the served corpus answers with today, so read any single row as an upper bound until the two agree. Take the endpoint over this page for a total and for a row.

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Citation forms

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Source notes

IRS Written Determinations under 26 U.S.C. § 6110: 28,641 Private Letter Rulings, 5,573 Chief Counsel Advice memoranda, 5,482 Tax Exempt and Government Entities determination letters and 842 Technical Advice Memoranda, plus 4,820 the IRS does not type on the document itself. 402,546 retrieval passages, and by document count the largest source in this token.Each is directed only to the taxpayer who requested it, and § 6110(k)(3) says it “may not be used or cited as precedent”. That is not our caveat, it is the statute, and it is why every one of the 45,358 carries actStatus: "non_precedential" rather than in_force. Read one as evidence of how the Service analysed one taxpayer’s facts, never as a rule of general application.Coverage runs 1999-01-08 to 2026-09-04, 28 distinct years, and is 45,358 of the 45,431 determinations the IRS lists, 99.84%.9,873 of these were read by OCR rather than from a text layer, because the IRS publishes them as scans of signed paper. Those carry extractionMethod: "ocr" so you can tell which; the rest carry "text_layer". Two things follow from that and are worth knowing before you rely on the text. The section symbol survives OCR less reliably than the words around it, so a passage may read section 501(c)(3) where the page prints § 501(c)(3); search for either. And a stamped control number in a letterhead can lose a digit, which is why the document’s own actId and citation are taken from the IRS index rather than from the scanned text.73 determinations are not served. 56 are scans no OCR could read, 14 failed a legibility check, and 3 are not PDFs at the publisher’s end. They are a measured absence, not a silent gap.
The IRS’s own instruction manual for its employees, and the largest source here at 121,234 retrieval passages. Every passage is labeled “IRS internal procedure” and goodLawStatus is unknown on every section, because no IRS source states when an IRM section is superseded. Do not read an IRM response timeframe as a statutory deadline.Each section carries the Effective Date the IRS prints on it. 54 sections (3.0%) carry no Manual Transmittal block and take their amendment year from per-subsection revision stamps. IRM 2.4.19 is indexed by the IRS but served as an empty page, and is not ingested.
How Medicare runs day to day: Pub. 100-04 says what a provider may bill, 100-02 what Medicare covers, 100-08 what a contractor reads before an audit. 26,153 retrieval passages.Not law. Courts have repeatedly held that manual provisions are not binding substantive rules; the binding requirements are in the Social Security Act and 42 C.F.R. Every passage says so in currencyNote and goodLawStatus is unknown.98.4% of sections carry CMS’s own (Rev. N, Issued, Effective, Implementation) stamp, spanning 2000 to 2026 across 27 distinct years.Five of CMS’s 25 publications hold nothing or almost nothing, and those are the publisher’s gaps rather than ours: 100-12, 100-13 and 100-23 publish no chapters at all, 100-21 is titled Reserved, and 100-18 (Part D) is a two-page table of contents whose own text says several chapters were never disseminated outside HPMS. Chapters are replaced in place and CMS publishes no superseded editions, so asOf is not bounded for this corpus.
How the Wage and Hour Division instructs its own investigators to read the FLSA, FMLA, SCA, DBRA, CCPA, MSPA and section 14(c), at the operational detail the regulations do not reach. 2,326 retrieval passages. It is the companion to whd_opinion_letter, which it cites and does not contain.Not law, and WHD says so: its own page states these pages “may not reflect current legislation, regulations, significant court decisions” and that the Federal Register and the CFR “remain the official resources”. goodLawStatus is unknown.Revision history arrives in three registers: all 22 chapters carry WHD’s Source: FOH revision N, published DATE stamp, 90 provisions (6.0%) carry a provision-level revision date, and 1,267 (84.5%) carry at least one dated row from WHD’s pre-2016 revision tables.Chapter numbering is not contiguous (10-16, 19-25, 30-33, 36, 39, 46, 64). The missing numbers return 404 from WHD itself.
WHD’s written answers to a named requester’s fact-specific question: FLSA (417 letters), FMLA (154), then SCA, DBRA, CCPA, MSPA, child labor and agriculture. 3,620 retrieval passages across four publisher series: 363 Opinion letters, 211 Non-Opinion letters, 13 DBRA and SCA ruling letters, and the 7 Administrator Interpretations that replaced opinion letters entirely between 2010 and 2017 and are the only documents covering that gap.Unusually for sub-regulatory guidance, WHD publishes a machine-readable withdrawal apparatus, so actStatus is read off DOL’s own footnote table and disclaimer lines rather than inferred: 561 in_force, 28 withdrawn, 3 superseded, 2 vacated by the Administrative Review Board. Most withdrawals are the March 2, 2009 mass withdrawal, 17 of which WHD re-issued in 2018 under new numbers.A re-issued pair shares one PDF on dol.gov but is two documents with two numbers, two dates and opposite status, so each is served under its own act_id and the predecessor stays retrievable as withdrawn.The publisher’s index lists 596 records and 594 are served: FLSA2009-1NA and FLSA2009-2NA carry a truncated PDF path with no filename that 404s on dol.gov itself, so they are recorded as fetch failures rather than invented. The numbering is intact otherwise, every FLSA year runs 1 to max with no gap and FMLA-1 to FMLA-113 is complete.
The Commission’s own interpretation of the statutes it enforces, including Compliance Manual sections. 4,990 retrieval passages. By authority cited: Title VII (98 documents), the ADA (92), the Rehabilitation Act (70), the ADEA (45), GINA (32), the Equal Pay Act (27).The enumeration is EEOC’s own sitemap filtered to /laws/guidance/, which yields all 179 documents. EEOC’s /eeoc-guidance hub renders only 56 of them with no pager, and those 56 are a strict subset, so a hub crawl would ship a third of the corpus and report success.act_id is the URL slug, deliberately not EEOC’s OLC control number: 178 documents print a control number and they hold only 177 distinct values, because EEOC-NVTA-2016-3 is printed on two unrelated documents. The number is carried as metadata instead.goodLawStatus is read from EEOC’s own banner rather than defaulted: 172 documents are in_force, 6 superseded, 1 rescinded, each dead document carrying the Commission’s own sentence as evidence. That banner is the only retirement record EEOC publishes. /rescinded-guidance, /withdrawn-guidance and /laws/guidance/rescinded all 404, so this is a verdict about retirements EEOC announced on the document itself; guidance the Commission quietly stopped relying on reads in_force.Do not read the word “Rescinded” on EEOC’s hub as a status. It appears 25 times there in the Compliance Manual Section column and every one is a filing instruction about a neighboring manual section (“Appears after Rescinded 604”).Federal-sector appellate decisions are not here: they are decided cases, they belong under corpusType=AGENCY_ADJUDICATION, and they are reachable only through a search path robots.txt disallows.
The Commission’s and its staff’s answers to conduct a requester proposes, under 16 C.F.R. §§ 1.1-1.4, across the Franchise Rule, the Holder Rule, the Funeral Rule, the FCRA and health-care antitrust. 3,926 retrieval passages. An advisory opinion binds only its requester and decides no case, which is why it sits here and not under AGENCY_ADJUDICATION.206 of the 430 have no entry of their own in the FTC’s listing. The Commission’s FCRA topic pages index the staff letters answering each section of the Act, one letter under as many sections as it answers, and each is served as its own citable document.The Commission publishes no machine-readable withdrawal signal, so goodLawStatus is unknown on every one. 11 documents carry no date the FTC prints.Two documents are truncated on ftc.gov itself (advisory-opinion-coffey-02-11-98 ends mid-word) and two more (informal-staff-advisory-opinion-97-2 and -97-3) are byte-identical there, so one of those pages carries the wrong letter. Both are the publisher’s defects, and both are served as the Commission serves them rather than hidden.
The Commission’s own statements of what Section 5 MEANS: the Policy Statement on Deception (1983), on Unfairness (1980), the 2022 statement on the scope of unfair methods of competition, and the FTC-DOJ antitrust and merger guidelines. 1,719 retrieval passages, effective_date on 100%. This is the standard the Commission’s Part 3 orders apply.The Commission’s 868-page Compendium is deliberately excluded because it re-publishes material already served under other act_ids. 6 further records exist as a citation only, with a title and a date and no document, and are recorded as out of scope rather than served as empty. goodLawStatus is unknown, same reason as the advisory opinions.
OFAC’s own interpretation of the sanctions regulations it administers at 31 C.F.R. chapter V, across all 38 sanctions programs. 989 current FAQs plus 361 prior versions, 1,823 retrieval passages.Prior versions are separate, citable documents taken from OFAC’s own FAQ Archive and served actStatus: "superseded", so asOf on a FAQ returns the text OFAC published on that date rather than a reconstruction. 238 FAQs (24.1%) carry at least one observed revision; the deepest is FAQ 999 with 12 versions.The revision trail starts 2023-03-22 and goes no further back. OFAC migrated its FAQs to a new website that day and stamped every then-active FAQ with the migration date rather than its original publication date, so 860 version records carry it as observedDate with no effectiveDate.OFAC has rescinded 279 FAQ numbers and publishes nothing for any of them, so a rescinded FAQ is absent rather than marked withdrawn. Sanctions lists (SDN, consolidated) and General Licenses are not included; General License links are served as cross-references.
FERC’s generally-applicable interpretive vehicle, 2,698 retrieval passages. Deliberately narrower than the docket-based eLibrary universe of case-specific orders, which is not held.
Annually adjusted dollar thresholds that do not live in USC or CFR section text: the state and local tax (SALT) cap, the Child Tax Credit, 401(k) limits, the Subchapter V debt limit. Each is primary-sourced but assembled by us rather than published as a single agency document, which is why it is named separately rather than folded in with the agency sources above.
Corporate Transparency Act: the BOI sources are not all current, and FinCEN says so itself.On August 11, 2026 FinCEN issued a final rule that permanently narrowed BOI reporting. Entities created in the United States and their beneficial owners are now exempt; only certain companies formed under foreign law and registered to do business in a US State or tribal jurisdiction must report, and they do not report BOI for US-person beneficial owners or company applicants.fincen_boi_faq (issued 2023-2024) and fincen_boi_compliance_guide (v1.4, March 2025) both predate that rule. We serve them as published, because they remain the authoritative FinCEN text and much of it, such as the beneficial-owner and substantial-control definitions in FAQ category D, is untouched by the scope change. Every passage carries FinCEN’s own notice verbatim in currencyNote, with currencyYear: 2026.Disregard any statement in them that US companies or their beneficial owners must report BOI, that BOI must be reported for US persons, that US persons must update or correct FinCEN ID information, or that reports were due before April 25, 2025.For the current position use fincen_boi_rule_qa. Its 12 final-rule Q&As are current; its 10 interim-rule Q&As carry actStatus: "superseded" and are excluded from good-law retrieval.

Federal coverage

The other 13 federal corpora, with per-corpus scope limits.

Corpus types

Every corpusType token and how source combines with it.
Last modified on September 7, 2026