{"page":"https://casescribe.ai/explorer/regulation-changes/2023-03-13","generated_at":"2026-10-03T18:33:45.912Z","data_as_of":{"decisions":944125,"first_year":2017,"last_year":2026,"latest_decision":"2026-04-30","cfr":"2026-10-01","m21":"2026-09-29"},"about":{"publisher":"CaseScribe AI (VA Law Explorer)","source":"Public Board of Veterans' Appeals decisions (appeals of VA decisions, not VA's first decisions), M21-1 Adjudication Procedures Manual, 38 CFR Parts 3 and 4.","method":"Outcomes are issue-level: each condition the Board decided in a decision counts once. Decision data is extracted by AI and can contain errors. Rates describe past appeals and do not predict any claim.","disclaimer":"For research only. CaseScribe AI is not a law firm and this is not legal advice. Verify figures against the source decisions and regulations.","attribution":"Cite as: VA Law Explorer, CaseScribe AI, with the page URL."},"data":{"week_of":"2023-03-13","changes":[{"source":"38 CFR","section":"Disease subject to presumptive service connection.","date":"2023-03-13","url":"https://www.ecfr.gov/current/title-38/section-3.309","formatting_only":false,"added":["(F) Cleanup of Enewetak Atoll during the period beginning on January 1,1977, and ending on December 31, 1980.","(G) Onsite participation in the response effort following the collision of a United States Air Force B-52 bomber and refueling plane that caused the release of four thermonuclear weapons in the vicinity of Palomares, Spain, during the period beginning January 17, 1966, and ending March 31, 1967.","(H) Onsite participation in the response effort following the on-board fire and crash of a United States Air Force B-52 bomber that caused the release of four thermonuclear weapons in the vicinity of Thule Air Force Base, Greenland, during the period beginning January 21, 1968, and ending September 25, 1968."],"removed":[]}]}}