Endangered and Threatened Wildlife and Plants; Regulations Pertaining to Endangered and Threatened Wildlife and Plants

What it is

This is a final rule from the U.S. Fish and Wildlife Service (part of the Interior Department) amending Endangered Species Act regulations at 50 CFR part 17. It eliminates the “blanket rule” option that automatically extended endangered-species protections to newly listed threatened species, replacing it with case-by-case, species-specific rules. It takes effect August 20, 2026.

What it changes

Previously, when a species was listed as threatened, a “blanket rule” automatically applied nearly all the Act’s section 9(a) protections (with some broader exceptions) unless the Service wrote a separate rule for it; this rule removes that automatic option going forward. Now, for every species newly listed or reclassified as threatened after the effective date, the Service must instead write a species-specific “4(d) rule” laying out the protections it decides are “necessary and advisable” for that species. New regulatory text (50 CFR 17.31(d) and 17.71(d)) requires each such rule to include a “necessary and advisable” determination that weighs both conservation and economic impacts, and to be opened for public comment. The Service says it intends to issue these species-specific rules at the same time it finalizes each listing, and notes that during a prior period without the blanket rule (Sept. 2019–May 2024) it published a rule for all 46 species listed or reclassified with no gap in protection. The change is prospective only and does not alter protections already in place for species currently covered by a blanket rule.

Who is affected

Species newly listed or reclassified as threatened after August 20, 2026 are affected, because their protections will now depend on an individually written rule rather than an automatic default. Landowners, industry, state agencies, conservation partners, and the Service itself are affected through the shift to tailored, per-species regulations and added public-comment steps. Species already protected under existing blanket rules see no immediate change, though the Service says it may revise their protections during required status reviews.