The Daily Roundup – Monday, May 4, 2026

Blanket Certificate Cost Limitations

Proposed Rule

Department of Energy, Federal Energy Regulatory Commission1902-AG32 · Received May 1, 2026

Expanding Fluid Milk Options in Child Nutrition Programs

Interim Final Rule  ● Consistent with Change

Department of Agriculture, Food and Nutrition Service0584-AF28 · Completed May 1, 2026

Mitigating Risks Related to Foreign Ownership, Control, or Influence (DFARS Case 2021-D011)

Proposed Rule  ● Consistent with Change

Department of Defense, Defense Acquisition Regulations Council0750-AL30 · Completed May 1, 2026

Extending the Compliance Deadline for the PFAS National Primary Drinking Water Regulation Rulemaking

Proposed Rule  ● Economically Significant  ● Consistent with Change

Environmental Protection Agency, Office of Water2040-AG49 · Completed May 1, 2026

Rescission of Regulatory Determinations and Removal of Related Provisions for Four PFAS Substances (PFHxS, PFNA, HFPO-DA (GenX), and the mixture of these three PFAS plus PFBS)

Proposed Rule  ● Consistent with Change

Environmental Protection Agency, Office of Water2040-AG53 · Completed May 1, 2026

Technical Guidelines for the Production of Regenerative Agricultural Biofuel Feedstocks

Final Rule Stage

Department of Agriculture, Office of the Secretary0503-AA82

May 4, 2026 — Growth Energy (Chris Bliley)
May 4, 2026 — Clean Fuels Alliance America (Kate Shenk)
May 5, 2026 — American Soybean Association (Alexa Combelic)
May 5, 2026 — Strategic Conservation Solutions (Keira Franz) – Client: Bryan Sievers, Roeslein Renewables
May 8, 2026 — Marquis (Allison Schwingle)

Rescinding the Definition of "Harm" under the Endangered Species Act

Final Rule Stage

Department of Commerce, National Oceanic and Atmospheric Administration0648-BN93

May 5, 2026 — Earthjustice (Kristen Boyles) – Client: Columbia Riverkeeper, Oregon Wild, Sierra Club
May 7, 2026 — Conservation Law Foundation (Sarah Shahabi)

Substances Generally Recognized as Safe

Proposed Rule Stage

Department of Health and Human Services, Food and Drug Administration0910-AJ02

May 8, 2026 — Meat Institute (Casey Gallimore)

Patient Protection and Affordable Care Act, HHS Notice of Benefit and Payment Parameters for 2027; and Basic Health Program (CMS-9883)

Final Rule Stage  ● Economically Significant

Department of Health and Human Services, Centers for Medicare & Medicaid Services0938-AV62

May 6, 2026 — Michelle Marciniak, MPH

CY 2027 Revisions to Payment Policies under the Physician Fee Schedule and Other Revisions to Medicare Part B (CMS-1848)

Proposed Rule Stage  ● Economically Significant

Department of Health and Human Services, Centers for Medicare & Medicaid Services0938-AV82

May 7, 2026 — CRD Associates (Matt Dennis) – Client: EnColl Corporation

Establishing State Community Engagement Requirements for Certain Individuals Under Section 1902(xx) of the Social Security Act (CMS-2454)

Interim Final Rule Stage  ● Economically Significant

Department of Health and Human Services, Centers for Medicare & Medicaid Services0938-AV98

May 5, 2026 — Obelisk Tech Systems Inc. (james poole)
May 6, 2026 — Futures Without Violence (Kiersten Stewart)
May 8, 2026 — National Alliance for Care at Home (Damon Terzaghi)

Unaccompanied Alien Children Program Foundational Rule; Updates to Accord with the Hyde Amendment

Proposed Rule Stage

Department of Health and Human Services, Administration for Children and Families0970-AD34

May 7, 2026 — Kids in Need of Defense (KIND) (Cory Shindel)

Endangered and Threatened Wildlife and Plants; Critical Habitat Designation for Canada Lynx

Final Rule Stage

Department of the Interior, Fish and Wildlife Service1018-BH59

May 4, 2026 — Center for Biological Diversity (Stephanie Kurose)

Endangered and Threatened Wildlife and Plants; Revision of Listed Entity for the Grizzly Bear

Proposed Rule Stage

Department of the Interior, Fish and Wildlife Service1018-BI14

May 6, 2026 — Humane World Action Fund; Humane World for Animals (Drew Robertson)

Rescinding the Definition of "Harm" Under the Endangered Species Act

Final Rule Stage

Department of the Interior, Fish and Wildlife Service1018-BI38

May 6, 2026 — Earthjustice (Kristen Boyles) – Client: Conservation Northwest, Friends of the Wild Swan, Swan Valley Coalition, WildEarth Guardians
May 7, 2026 — Center for Biological Diversity (Stephanie Kurose)
May 8, 2026 — Defenders of Wildlife (Victoria Molyneaux)

Regulations Pertaining to Endangered and Threatened Wildlife and Plants

Final Rule Stage

Department of the Interior, Fish and Wildlife Service1018-BI74

May 5, 2026 — Center for Biological Diversity (Stephanie Kurose)

Regulations for Designating Critical Habitat

Final Rule Stage

Department of the Interior, Fish and Wildlife Service1018-BI76

May 8, 2026 — Center for Biological Diversity (Stephanie Kurose)

Low-Value Shipments

Interim Final Rule Stage  ● Economically Significant

Department of Homeland Security, Customs Revenue Functions1685-AA38

May 8, 2026 — Zonos (Jan Hoelterling)

Revisions to Establish the Sixth Unregulated Contaminant Monitoring Rule (UCMR 6) for Public Water Systems

Proposed Rule Stage

Environmental Protection Agency, Office of Water2040-AG33

May 4, 2026 — Food & Water Watch (Mary Grant)

Phasedown of Hydrofluorocarbons: Reconsideration of Certain Regulatory Requirements Under the Technology Transitions Provisions of the American Innovation and Manufacturing Act of 2020

Final Rule Stage

Environmental Protection Agency, Office of Air and Radiation2060-AW39

May 5, 2026 — Mike Armstrong
May 6, 2026 — FMI – The Food Industry Association (Dana Graber)
May 7, 2026 — Carrier Global Corporation (Clarence Tong)

Revision of Tier 4 Phase-in Schedule for Light-Duty and Medium-Duty Vehicles

Proposed Rule Stage  ● Economically Significant

Environmental Protection Agency, Office of Air and Radiation2060-AW96

May 4, 2026 — Alliance of Nurses for Healthy Environments (Milagros Elia)
May 5, 2026 — Alliance for Automotive Innovation (Michael Hartrick)
May 5, 2026 — Environmental Defense Fund (Alice Henderson)
May 7, 2026 — Moms Clean Air Force (Elizabeth Bechard)
May 7, 2026 — American Lung Association (Laura Bender)

Federal Employees Health Benefits Program: Verification Requirements for Family Member Coverage

Interim Final Rule Stage

Office of Personnel Management3206-AP08

May 4, 2026 — DAVID ERMER

Automatic Registration

Proposed Rule Stage

Selective Service System3240-AA09

May 5, 2026 — Wayne Finegar

Fraud, Waste and Abuse Reforms

Proposed Rule Stage  ● Economically Significant

Small Business Administration3245-AI66

May 5, 2026 — Lumbee Tribe Holdings, Inc (Caleb Malcolm)
May 6, 2026 — Roy Tansy