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Regulation watch

When a cited rule changes

Our tools cite 279 laws, rules and guidance pages, in their rule tables (code) and on their pages (copy). Every night a job reads 246 of them from the primary source and compares each with the version we read. When one changes, the tools that depend on it are marked re-check needed until a person reviews the change and signs an acknowledgement with a note. Nothing is edited automatically.

Registry built 2026-09-28, synced 2026-09-28. The live feed is GET https://api.decosa.ai/regulations/changes; the signed run report is /regulations/reports/latest. This is a change detector, not legal advice: a quiet night means no source we watch changed, not that a tool is correct.

Latest run

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How each source is read

  • U.S. regulations (110): the eCFR versioner API gives each section’s amendment dates and its text; we hash the text of the version we read and of the current one.
  • Federal Register (70 feeds): new final and proposed rules that affect a CFR part we cite, and later documents that cite a Federal Register document we cite, from the Federal Register API.
  • EU law (19): the Publications Office’s Cellar lists each act’s amending acts, corrigenda and consolidated versions.
  • Sanctions lists (4): the publish date in the header of the OFAC, EU and UK list files, against the snapshot the sanctions tool pins.
  • Official pages (86): agency guidance, statutes and bills, hashed after the page chrome (menus, banners, “last updated” stamps) is removed.

Tested by replaying known past changes from the version before them: the 2026 amendments to the federal IDR operations rule (45 CFR 149.510), a GPSR corrigendum, the AI Act’s 2026 amending act and an OFAC SDN update were all found, with no change reported on the unchanged controls. Details are in decosa-api docs/evals/reg-watcher.md.

By tool

What a person still checks

33 cited documents are frozen (court opinions, press releases, enforcement orders) or sit behind a bot check, so they are listed but not watched. 8 citations in the copy have no primary source we can watch (ISO standards are paywalled; a NIST publication changes by new revision; an enacted Public Law does not change, its U.S. Code sections do).

  • NIST SP 800-171 (cmmc-evidence-map): NIST publication (versioned by revision; watch its CSRC page)
  • NIST SP 800-171 Rev 2 (cmmc-evidence-map): NIST publication (versioned by revision; watch its CSRC page)
  • NIST SP 800-171A (cmmc-evidence-map): NIST publication (versioned by revision; watch its CSRC page)
  • ISO 13485:2016 (device-mdr-triage): ISO standard (paywalled text)
  • Pub. L. 118-50 (sanctions-disposition-record): Public Law (enacted text does not change; its codified U.S.C. sections do)
  • ISO 3901 (split-sheet-check): ISO standard (paywalled text)
  • ISO 15707 (split-sheet-check): ISO standard (paywalled text)
  • ISO/IEC 27001:2022 (test-runs): ISO standard (paywalled text)
  • https://ca5.uscourts.gov/opinions/pub/23/23-40217-CV0.pdf (nsa-idr-packet): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://ca5.uscourts.gov/opinions/pub/23/23-40605-CV1.pdf (nsa-idr-packet): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://ca5.uscourts.gov/opinions/pub/24/24-60013-CV0.pdf (fi-disclosure-record): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://clinicaldata.ema.europa.eu/about/term-of-use (csr-number-verifier): not readable automatically (page: too little text after normalising (a script-rendered page or a block page)): a person checks it
  • https://cms.gov/medicare-coverage-database/view/lcd.aspx?LCDId=34220 (clinical): not readable automatically (page: too little text after normalising (a script-rendered page or a block page)): a person checks it
  • https://cms.gov/medicare-coverage-database/view/lcd.aspx?LCDId=36861 (clinical): not readable automatically (page: too little text after normalising (a script-rendered page or a block page)): a person checks it
  • https://cms.gov/medicare-coverage-database/view/lcd.aspx?lcdid=39015 (clinical): not readable automatically (page: too little text after normalising (a script-rendered page or a block page)): a person checks it
  • https://cms.gov/newsroom/press-releases/cms-rolls-out-aggressive-strategy-enhance-accelerate-medicare-advantage-audits (hcc-evidence-file): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://consumerfinance.gov/about-us/newsroom/cfpb-sues-jpmorgan-chase-bank-of-america-and-wells-fargo-for-allowing-fraud-to-fester-on-zelle (reg-e-dispute-file): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://content.naic.org/sites/default/files/inline-files/2023-12-4%20Model%20Bulletin_Adopted_0.pdf (claims-conduct-pack): not readable automatically (page: HTTP 403): a person checks it
  • https://content.naic.org/sites/default/files/model-law-900.pdf (claims-conduct-pack): not readable automatically (page: HTTP 403): a person checks it
  • https://content.naic.org/sites/default/files/model-law-902.pdf (claims-conduct-pack): not readable automatically (page: HTTP 403): a person checks it
  • https://courtlistener.com/docket/60683381/texas-medical-association-v-united-states-department-of-health-and-human (nsa-idr-packet): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://courtlistener.com/docket/66769982/texas-medical-association-v-united-states-department-of-health-and-human (nsa-idr-packet): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://eur-lex.europa.eu/legal-content/EN/TXT?uri=OJ:L_202601744 (disclosure-preflight): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://files.consumerfinance.gov/f/documents/cfpb_block-inc-consent-order_2025-01.pdf (reg-e-dispute-file): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://files.consumerfinance.gov/f/documents/cfpb_wise-us-inc_amended-consent-order_2025-05.pdf (reg-e-dispute-file): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://ftc.gov/news-events/news/press-releases/2019/09/google-youtube-will-pay-record-170-million-alleged-violations-childrens-privacy-law (kids-content-preflight): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://ftc.gov/news-events/news/press-releases/2025/04/ftc-approves-final-order-requiring-accessibe-pay-1-million (storefront-accessibility-pass): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://ftc.gov/news-events/news/press-releases/2025/12/court-approves-order-requiring-disney-pay-10-million-settle-ftc-allegations-firm-enabled-unlawful (kids-content-preflight): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://gov.uk/government/news/cma-to-boost-consumer-and-business-confidence-as-new-consumer-protection-regime-comes-into-force (green-claims-check): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://govinfo.gov/app/collection/chrg (deposition): not readable automatically (page: too little text after normalising (a script-rendered page or a block page)): a person checks it
  • https://hhs.gov/hipaa/for-professionals/privacy/index.html (medical-chronology): not readable automatically (page: HTTP 403): a person checks it
  • https://justice.gov/usao-co/pr/kaiser-permanente-affiliates-pay-556m-resolve-false-claims-act-allegations (hcc-evidence-file): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it
  • https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CIV&sectionNum=1798.82 (incident-notification-pack): not readable automatically (page: too little text after normalising (a script-rendered page or a block page)): a person checks it
  • https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=PEN&sectionNum=632 (collections-call-qa, medicare-call-record): not readable automatically (page: too little text after normalising (a script-rendered page or a block page)): a person checks it
  • https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=632.&lawCode=PEN (walkthrough-to-quote): not readable automatically (page: too little text after normalising (a script-rendered page or a block page)): a person checks it
  • https://nysenate.gov/legislation/bills/2023/S7676/amendment/B (consent-ledger): not readable automatically (page: HTTP 403): a person checks it
  • https://nysenate.gov/legislation/bills/2025/S8391 (consent-ledger): not readable automatically (page: HTTP 403): a person checks it
  • https://nysenate.gov/legislation/bills/2025/S8420/amendment/A (animatic-studio, consent-ledger, disclosure-preflight, music-video-studio): not readable automatically (page: HTTP 403): a person checks it
  • https://nysenate.gov/legislation/laws/GBS/396-B (honest-product-imagery): not readable automatically (page: HTTP 403): a person checks it
  • https://nysenate.gov/legislation/laws/LAB/1037 (honest-product-imagery): not readable automatically (page: HTTP 403): a person checks it
  • https://sec.gov/newsroom/speeches-statements/gerding-cybersecurity-incidents-05212024 (incident-notification-pack): frozen document (court opinion, press release, enforcement order) or a page behind a bot challenge: registered, not watched; a person checks it