That total counts the named sources on this page only, and it is the number the table below
sums to. The
AGENCY_GUIDANCE corpus type holds more than this: guidance that is not attributed
to one of the named sources carries the token without carrying a source you can filter on. See
the federal coverage table for the token’s own total.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 for which sources exist and what each code is called.The registry
Grouped by agency. Documents are citable items (act_id), measured per source on 2026-09-07,
and on 2026-09-08 for the two FTC sources added that day.
Sources marked [note] have a caveat in Source notes that changes how you
should read their results.
GET /us/statutes/coverage computes its AGENCY_GUIDANCE total out of band rather than per
request, so for up to a day after a source is ingested it can report fewer documents than this
page.
The column below sums to 86,900, measured per source on 2026-09-07 and 2026-09-08. On
2026-10-13 GET /us/statutes/coverage reported 96,966 for the whole AGENCY_GUIDANCE token.
This page does not break that difference down by source. Every row is a served count, not an
ingested one. The distinction matters most
on IRS written determinations, where 45,358 documents are ingested and 35,485 are reachable
through the API, the difference being 9,873 OCR-read scans. The endpoint stays authoritative.Citation forms
Source notes
irs_written_determination - by statute, not citable as precedent
irs_written_determination - by statute, not citable as precedent
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. 35,485 determinations are
served, 78.1% of the 45,431 the IRS lists. The 9,873 OCR-read scans are ingested but are not
currently reachable through the API.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 are recorded ingest-side as extractionMethod: "ocr", which the API does not currently return; 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.irs_irm - agency procedure, not law
irs_irm - agency procedure, not law
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.cms_iom - agency procedure, and five publications are near-empty
cms_iom - agency procedure, and five publications are near-empty
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.whd_foh - enforcement procedure, with unusually good versioning
whd_foh - enforcement procedure, with unusually good versioning
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_opinion_letter - a real, machine-readable withdrawal signal
whd_opinion_letter - a real, machine-readable withdrawal signal
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.ftc_advisory_opinion - 206 of 430 are staff letters indexed under several sections
ftc_advisory_opinion - 206 of 430 are staff letters indexed under several sections
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.ftc_hsr_interpretation - one series, two halves, and 1997 is missing at the source
ftc_hsr_interpretation - one series, two halves, and 1997 is missing at the source
The Hart-Scott-Rodino premerger notification interpretations, both halves under one
source. A formal interpretation is the Commission’s own authoritative construction of a
Premerger Notification Rule under 16 C.F.R. 803.30: a closed series of 20, issued 1978 to
2000, with none since. An informal interpretation is the Premerger Notification Office
answering a practitioner’s question about the same rules: 4,569 of them, 1983 to 2025.
Filter the two apart with documentSubtype; join them on construedRule, which carries the
rule number the interpretation is about on 99.0% of documents.🔴 1997 is entirely absent, at the publisher. The FTC serves no informal interpretation
numbered for that year at all, against 141 in 1996 and 83 in 1998, so roughly 100 to 140
interpretations from 1997 are missing from the source rather than from this corpus.The FTC’s own listing counts 4,759, which is a LINK count: 186 interpretations are served
twice under a duplicate page. Each is held once, under the interpretation number the
Commission assigns.An informal interpretation is staff views, not Commission action, and is expressly not
binding on the Commission. Where the record also attaches an “Original Image” scan of the
same letter, it is listed in relatedDocuments and not mirrored: it is a redacted photocopy
of text the document already carries in full.goodLawStatus is UNKNOWN for this source. The Commission states a supersession in the
slug of one interpretation and publishes three dated versions of another; those relations are
served as supersedes / supersededBy, and no document is marked dead on the strength of
them. effectiveDate is absent on 13 of the 20 formal interpretations, because the FTC
publishes no date field for that series and those 13 print dates only inside their own
argument, where the document’s own date cannot be told apart from the dates it cites.ftc_advocacy_filing - advisory only: these bind nobody
ftc_advocacy_filing - advisory only: these bind nobody
Comments and letters the Commission and its staff address to state legislatures, state
supreme courts, governors and other federal agencies about the competition effects of a
proposed measure. 860 filings, 1985 to 2026.🔴 They bind nobody. Unlike every other source under
AGENCY_GUIDANCE, an advocacy
filing is not the agency telling the regulated public how it reads a law it administers: it
decides no case, construes no FTC rule, and the recipient is free to ignore it. It is held as
its own source with its own forum (ftc_advocacy) precisely so it can be scoped out in
one parameter, and every document says so in its own coverageNote.The Matter Number is a program-level number the FTC reuses across many filings (one
covers 29 different documents), so it identifies a program, not a document, and is served as
caseNumber rather than as a citation.goodLawStatus is UNKNOWN for this source.ftc_policy_statement - what Section 5 means, as opposed to one requester's answer
ftc_policy_statement - what Section 5 means, as opposed to one requester's answer
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.copyright_compendium - point-in-time is the publisher's own answer
copyright_compendium - point-in-time is the publisher's own answer
The administrative manual the Copyright Office applies to every registration and recordation,
section-addressable at its own
section NNN.N numbering across 24 chapters. 2,455 current
sections; 5,920 across three editions (2014-12-22, 2017-09-29, 2021-01-28).All three dated releases are stored separately and asOf resolves against the edition the
Office states was in force, so point-in-time here is the publisher’s answer rather than a
reconstruction. Amendment history covers the 2021 release only (719 amended, 101 renumbered
sections); the Office publishes no change log for 2017 or 2014.An asOf answer is the MANUAL in force on that date, not the LAW. The Office’s own exception
for “an amendment to the regulations, intervening case law, or previously announced changes in
practice” is served verbatim on every section.doj_business_review - no withdrawal signal, and one broken publisher link
doj_business_review - no withdrawal signal, and one broken publisher link
The Antitrust Division’s statements of its enforcement intentions on proposed conduct under
28 C.F.R. § 50.6, each served as the response letter with the requesting party’s own request
letter appended. 4,760 retrieval passages.The Division publishes no machine-readable withdrawal signal, so
goodLawStatus is unknown
on every letter and every passage says so. 215 of the 216 letters listed are served; the 216th
(97-16) is a broken link on the Division’s own site.ofac_faq - prior versions are separate, citable documents
ofac_faq - prior versions are separate, citable documents
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 an ingest-side observedDate, not returned by the API, 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_policy_statement - deliberately narrower than eLibrary
ferc_policy_statement - deliberately narrower than eLibrary
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.
administrative_guidance - synthesized reference figures, not agency text
administrative_guidance - synthesized reference figures, not agency text
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.
Federal coverage
The other 13 federal corpora, with per-corpus scope limits.
Corpus types
Every
corpusType token and how source combines with it.