Federal regulations

Federal agencies administering Part I of the Federal Power Act will hold a technical conference to review cost submittals and administrative procedures.

Archer Aviation filed a section 337 patent infringement complaint with the U.S. International Trade Commission on March 10, 2026, alleging violations related to imported electric aircraft, power systems, and components across five patents.

U.S. Department of Commerce preliminarily found certain Canadian softwood lumber sold below normal value during January 1–December 31, 2024, and intends to rescind the review for 21 companies subject to interested party comments.

Bureau of Indian Education seeks Paperwork Reduction Act renewal for its Standards, Assessments, and Accountability System Waiver information collection without substantive modifications.

FAA corrects the point of contact for a public meeting regarding proposed Class C airspace amendments at Raleigh-Durham International Airport in North Carolina due to updated facility staffing.

International Maritime Organization prepares for NCSR 13 meeting through public notice to gather stakeholder input on maritime safety and security standards affecting shipping businesses.

The Shipping Coordinating Committee will hold a public meeting to prepare U.S. positions for the International Maritime Organization's MSC 111 session.

The Department of Energy eliminates legacy regulations governing grant programs for schools, hospitals, and public buildings that were consolidated into the State Energy Program in 1996 and no longer receive congressional funding.

Environmental Management Site-Specific Advisory Board convenes for Idaho Cleanup Project in an in-person and virtual meeting format as required by Federal Advisory Committee Act.

EPA requests public comment on draft risk evaluations for HHCB and phthalic anhydride under the Toxic Substances Control Act to determine whether these chemicals present unreasonable health or environmental risks.

FAA airworthiness directive requires Airbus Helicopters AS350 series operators to replace main gearbox suspension bar attachment fittings and fasteners, prohibiting installation of previously used parts to address gap formation safety issues.

The IRS reduces the Preparer Tax Identification Number user fee from $11 to $10 for tax return preparers applying for or renewing a PTIN, with an additional amount payable to the third-party contractor.

The FAA removes Emergency Airworthiness Directive 2026-01-51 for Airbus Helicopters Model H160-B after manufacturer determined pitch rod bearing failures resulted from inadequate maintenance procedures rather than unsafe design conditions.

FAA supersedes Airworthiness Directive 2025-05-09 for Airbus Helicopters Model SA330J by requiring revised airworthiness limitations sections in maintenance manuals and approved inspection programs to address unsafe conditions.

EPA's Science Advisory Committee on Chemicals will hold peer review meetings May 26 and June 8–12, 2026, for draft risk evaluations of HHCB and phthalic anhydride and draft hazard assessments of o-DCB and p-DCB under the Toxic Substances Control Act…