{"source":"reg-tax","note":"Free 5-item preview. The full feed is $0.05/call at GET /v1/reg-tax/changes.","question":"Which final or proposed federal rules affecting federal tax rules & guidance were published since T, and which carry compliance obligations?","sample":[{"source":"reg-tax","entityId":"fedreg:2026-10841","type":"proposed_rule","title":"Income of Foreign Governments and of International Organizations","summary":"This document contains proposed regulations regarding the applicability dates of proposed rules relating to the taxation of the income of foreign governments from investment in the United States. This document also withdraws a portion of the proposed regulations published on December 15, 2025, relating to applicability dates.","significance":4,"detectedAt":"2026-07-14T22:19:28.513Z","effectiveDate":null,"sourceUrl":"https://www.federalregister.gov/documents/2026/06/01/2026-10841/income-of-foreign-governments-and-of-international-organizations","detail":{"documentNumber":"2026-10841","documentType":"Proposed Rule","agencies":"Treasury Department, Internal Revenue Service","publicationDate":"2026-06-01","vertical":"reg-tax"}},{"source":"reg-tax","entityId":"fedreg:2026-10963","type":"proposed_rule","title":"Estate Tax Closing Letter User Fee Update","summary":"This document contains proposed regulations amending the current regulations to increase the amount of the user fee imposed on authorized persons requesting the issuance of an estate tax closing letter. The Independent Offices Appropriations Act of 1952 authorizes charging user fees in appropriate circumstances. The proposed regulations would affect persons who request an estate tax closing letter.","significance":4,"detectedAt":"2026-07-14T22:19:28.513Z","effectiveDate":null,"sourceUrl":"https://www.federalregister.gov/documents/2026/06/02/2026-10963/estate-tax-closing-letter-user-fee-update","detail":{"documentNumber":"2026-10963","documentType":"Proposed Rule","agencies":"Treasury Department, Internal Revenue Service","publicationDate":"2026-06-02","vertical":"reg-tax"}},{"source":"reg-tax","entityId":"fedreg:2026-11102","type":"proposed_rule","title":"Guidance on Tax-Exempt Refunding Bonds; Hearing","summary":"This document contains proposed regulations that would update certain arbitrage rules and definitions applicable to tax-exempt and other tax-advantaged bonds by clarifying the time and manner for requesting refunds of overpayment of rebate to the United States, the special transition rule for transferred proceeds, the limitation on allocations to expenditures, and the IRS address for filing defeasance notices. These proposed regulations would also revise the provision addressing certain perpetual State guarantee funds, the definition of tax-exempt bond, and the definition of refunding issue. …","significance":4,"detectedAt":"2026-07-14T22:19:28.513Z","effectiveDate":null,"sourceUrl":"https://www.federalregister.gov/documents/2026/06/03/2026-11102/guidance-on-tax-exempt-refunding-bonds-hearing","detail":{"documentNumber":"2026-11102","documentType":"Proposed Rule","agencies":"Treasury Department, Internal Revenue Service","publicationDate":"2026-06-03","vertical":"reg-tax"}},{"source":"reg-tax","entityId":"fedreg:2026-12069","type":"final_rule","title":"Medicare Program; Strengthening Oversight of Accrediting Organizations (AOs) and Preventing AO Conflicts of Interest, and Related Provisions","summary":"This final rule with comment period sets forth provisions to strengthen the oversight of Medicare national accrediting organizations by addressing conflicts of interest, establishing consistent standards, processes, and definitions, and updating the validation and performance standards systems. Additionally, this final rule with comment period revises the psychiatric hospital survey process, adds a limitation on terminated deemed providers and suppliers when reentering the program, and provides technical corrections for End-Stage Renal Disease facilities and Transplant Programs.","significance":6,"detectedAt":"2026-07-14T22:19:28.513Z","effectiveDate":"2027-06-16","sourceUrl":"https://www.federalregister.gov/documents/2026/06/16/2026-12069/medicare-program-strengthening-oversight-of-accrediting-organizations-aos-and-preventing-ao","detail":{"documentNumber":"2026-12069","documentType":"Rule","agencies":"Health and Human Services Department, Centers for Medicare & Medicaid Services","publicationDate":"2026-06-16","vertical":"reg-tax"}},{"source":"reg-tax","entityId":"fedreg:2026-12560","type":"proposed_rule","title":"Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 6, 7, 10, 18, 26, 37, and 41","summary":"OFPP, DoD, GSA, and NASA (collectively referred to as the Federal Acquisition Regulatory Council or FAR Council) are proposing to amend the Federal Acquisition Regulation (FAR) to implement Executive Order (E.O.) 14275, Restoring Common Sense to Federal Procurement. The E.O. directs the elimination of excessive acquisition regulations to stop the inefficient use of American taxpayer dollars. The FAR Council is issuing twelve proposed rules that collectively will streamline the FAR in its entirety. This rule proposes revisions to FAR parts 6, 7, 10, 18, 26, 37, 41, and 52.","significance":4,"detectedAt":"2026-07-14T22:19:28.513Z","effectiveDate":null,"sourceUrl":"https://www.federalregister.gov/documents/2026/06/23/2026-12560/federal-acquisition-regulation-revolutionary-federal-acquisition-regulation-overhaul-parts-6-7-10-18","detail":{"documentNumber":"2026-12560","documentType":"Proposed Rule","agencies":"Management and Budget Office, Federal Procurement Policy Office, Defense Department, General Services Administration, National Aeronautics and Space Administration","publicationDate":"2026-06-23","vertical":"reg-tax"}}]}