This bill, titled the "EXPERTS Act of 2025," aims to increase transparency, accountability, and public participation in the federal rulemaking process. It introduces several significant amendments to title 5 of the United States Code, focusing on disclosures, agency procedures, and judicial review of regulatory actions. The legislation seeks to ensure that agency decisions are based on unbiased information and that the public, especially underserved communities, has a stronger voice. A core provision requires interested persons submitting scientific, economic, or technical studies or research during rulemaking to disclose detailed information. This includes the source and amount of funding , the entities that provided funds, and any parties allowed to review or revise the study. Furthermore, any financial relationship between the study's conductor and persons affected by the rule must be revealed. Agencies are mandated to publicly disclose conflicts of interest if at least 10 percent of a study's funding comes from an entity subject to the rulemaking's jurisdiction, or if such an entity conducts, reviews, or revises the study. Public companies submitting materially false or misleading information to agencies face substantial civil penalties , starting at $250,000 for a first violation. Agencies may exclude or disregard submissions that violate these disclosure requirements. The bill also enhances transparency regarding inter-governmental regulatory review. Agencies must place in the rulemaking docket the substance of any changes made to draft regulatory actions during review by the Office of Information and Regulatory Affairs (OIRA) or other federal officials. If an agency withdraws a regulatory action, it must publish a detailed explanation of the reasons, including any influence from OIRA or other federal entities. A new Office of the Public Advocate is established within the Office of Management and Budget, led by a Presidentially-appointed National Public Advocate. This office will assist agencies in soliciting public participation, help individuals engage in rulemaking, conduct research on social equity impacts , and facilitate outreach to populations not historically involved in the process. It will also perform social equity assessments for proposed rules upon request. Regarding judicial review, the bill codifies that courts must defer to an agency's reasonable or permissible interpretation of a statute if the statute is silent or ambiguous, regardless of the action's significance. It also defines specific instances of unreasonable delay , such as an agency failing to issue a proposed rule within one year of a legislative mandate or a final rule within one year of its proposal. A 6-year statute of limitations is established for actions seeking judicial review of final agency actions. The legislation significantly narrows the scope of negotiated rulemaking , limiting its application exclusively to informal negotiations between federal, state, local, or tribal governments. This change removes provisions that previously allowed for broader participation by private persons or other interested parties in such processes. Several existing laws are amended to remove references to negotiated rulemaking, reflecting this more restricted approach. To expand public awareness, agencies must take actions to publicize the initiation of rulemaking proceedings, the publication of proposed rules, and final rules, including notifying interested persons via contact information and social media. Agencies are also required to respond in writing within 60 days to public petitions that gather over 100,000 signatures, explaining their actions or reasons for not acting on the petition. In cost-benefit analysis , agencies must consider and prioritize the non-quantifiable benefits of rules to the public, as well as their distributional effects and social equity impacts . Courts are prohibited from requiring an agency to demonstrate that a challenged action meets a cost-benefit analysis standard unless explicitly required by law. This aims to prevent courts from imposing economic analysis requirements beyond statutory mandates. Finally, the bill streamlines OIRA review of significant regulatory actions, setting a 60-day limit with a possible 30-day extension, after which agencies may publish the rule if OIRA has not provided feedback. It also allows federal agencies to fast-track the reinstatement of rules previously disapproved by Congress within a one-year period following the bill's enactment.