Federal regulations
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- Airworthiness Directives; General Electric Company EnginesMay 1, 2026
FAA proposes airworthiness directive for General Electric CF34 series engines requiring restart tests, borescope inspections for corrosion, and variable geometry system checks to address dual engine power loss hazards.
- National Emission Standards for Hazardous Air Pollutants: Ethylene Oxide Emissions Standards for Sterilization Facilities Residual Risk and Technology Review Reconsideration; Extension of Comment PeriodMay 1, 2026
EPA extends the comment period to May 15, 2026, for proposed ethylene oxide emissions standards affecting sterilization facilities undergoing residual risk and technology review.
- Presidential Declaration of a Major Disaster for Public Assistance Only for the State of South CarolinaMay 1, 2026
FEMA declares major disaster (FEMA-4908-DR) for South Carolina public assistance only following severe winter storm on April 7, 2026.
- Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Replace the Existing Flat Monthly Fee for the Silexx Application Programming Interface (“API”) With a Usage-Based Tiered Pricing StructureMay 1, 2026
Cboe Exchange replaces its flat monthly Silexx API fee with usage-based tiered pricing, effective immediately upon filing.
- Self-Regulatory Organizations; BOX Exchange LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Introduce a New Data Product To Be Known as the One-Minute Intraday Open-Close Data Report and To Adopt Fees for Such ProductMay 1, 2026
BOX Exchange LLC introduces a One-Minute Intraday Open-Close Data Report product with associated fees, effective immediately upon filing.
- Environmental Impact Statements; Notice of AvailabilityMay 1, 2026
Federal Environmental Impact Statements notice announces availability of assessments for projects requiring NEPA compliance review.
- Welded Line Pipe From South Korea and Turkey; Institution of Five-Year ReviewsMay 1, 2026
U.S. International Trade Commission institutes five-year reviews of countervailing and antidumping duty orders on welded line pipe from South Korea and Turkey to assess injury if duties are revoked.
- Administrative Declaration of a Disaster for the State of MichiganMay 1, 2026
Michigan declared a state disaster on April 28, 2026, following tornadoes, potentially activating state emergency response and small-business relief programs.
- Self-Regulatory Organizations; Investors Exchange LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend the Exchange's Fee Schedule To Introduce a New Displayed Liquidity Adding Rebate for Tape B SecuritiesMay 1, 2026
Investors Exchange LLC proposes amending its fee schedule to introduce a new displayed liquidity adding rebate for Tape B securities, effective immediately upon filing.
- Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing of a Proposed Rule Change To Permit the Listing of A.M.-Settled Options on the S&P 500 Index that Expire on Any Monday, Tuesday, Wednesday, Thursday, or Friday (other than the Third Friday-of-the-Month or Days that Coincide With an End-of-Month Expiration) and Expire on the Last Trading Day of the MonthMay 1, 2026
Cboe Exchange proposes listing A.M.-settled S&P 500 Index options expiring on any weekday except third Fridays and month-end expiration days, expanding current Monday-Wednesday-Friday-only rules.
- Schedules of Controlled Substances: Placement of 4F-MDMB-BUTICA, ADB-4en-PINACA, 5F-EDMB-PICA, and MMB-FUBICA in Schedule IMay 1, 2026
The DEA places four synthetic cannabinoids—4F-MDMB-BUTICA, ADB-4en-PINACA, 5F-EDMB-PICA, and MMB-FUBICA—into Schedule I of the Controlled Substances Act, subjecting manufacturers, distributors, importers, and researchers to federal regulatory contro…
- Obesity and Drug Dosing: Clinical Pharmacology Considerations; Request for CommentsMay 1, 2026
FDA requests public input on obesity's effects on drug pharmacokinetics and pharmacodynamics during development to inform safety, effectiveness, and dosing guidance for obese patients.
- Medicare Program: Public Meeting Regarding New and Reconsidered Clinical Diagnostic Laboratory Test Codes for the Clinical Laboratory Fee Schedule for Calendar Year 2027May 1, 2026
Medicare announces a public meeting to receive comments on payment amounts for new and revised laboratory test codes under the Clinical Laboratory Fee Schedule for calendar year 2027.
- Self-Regulatory Organizations; BOX Exchange LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend the Fee Schedule for Trading on the BOX Options Market LLC Facility To Modify Certain Rebate Tiers for Qualified Contingent Cross TransactionsMay 1, 2026
BOX Exchange LLC amends its options trading fee schedule to modify rebate tiers for qualified contingent cross transactions on the BOX Options Market facility.
- Medicare Program; Meeting Announcement for the Public and the Medicare Advisory Panel on Clinical Diagnostic Laboratory Tests-September 2026May 1, 2026
Medicare Advisory Panel on Clinical Diagnostic Laboratory Tests holds public meetings September 15-16, 2026, to review payment rates for diagnostic tests with insufficient data from the May 1–July 31, 2026 reporting period.