In early November 2019, the New York Times reported that the Environmental Protection Agency (EPA) had drafted a final version of a regulation first proposed in spring 2018, "Strengthening Transparency in Regulatory Science" (Transparency Rule).
The Transparency Rule was first proposed in spring 2018 under EPA's general authority to order its own affairs provided by the Federal Housekeeping Statute, 5 USC 301. The proposed rule provided that EPA should, whenever possible, rely only on studies for which all underlying data and models are publicly available to promulgate "significant regulatory decisions." and assigns lower weight to the evidence, findings and conclusions of any studies that are based on confidential information that cannot be publicly disclosed.
Now, it appears that EPA has decided to broaden the rule, making it applicable to