to, where feasible and appropriate, seek the views of those likely to be affected by a proposed rulemaking before a notice of proposed rulemaking is issued. E.O 13563 requires agencies to quantify anticipated benefits and costs of proposed rulemakings as accurately as possible using the best available techniques, and to ensure that any scientific and technological information or processes used to support their regulatory actions are objective. To the extent feasible and permitted by law, E.O. 13563 also directs agencies to provide timely online access to the rulemaking docket for proposed and final rules, along with any relevant scientific and technical findings, on regulations.gov, and to afford the public the opportunity to comment on proposed regulations through the Internet. With regard to existing regulations, E.O. 13563 instructs agencies to periodically review their significant regulations with the goal of making their regulatory programs more effective or less burdensome. Trump revisions: Executive Orders 13771, 13777, 13891, 13892, and 13892 Executive Order 13771 The provisions of Executive Orders 12866 and 13563 were significantly narrowed in some respects and expanded in others by Executive Orders 13771 and 13777. Among the significant narrowing provisions are a more parsimonious description of the stated purposes of regulation. Whereas Executive Order 12866 contained a long list of regulatory principles, in which the maximization of net social benefits is one of many, Executive Order 13771 directs agencies “to be prudent and financially responsible in the expenditure of funds, from both public and private sources” and “manage the costs associated with the governmental imposition of private expenditures required to comply with Federal regulations.” Executive Order 13771 expands upon Executive Order 12866 in both substantive and procedural ways. Substantively, Executive Order 13771 directs agencies to eliminate at least two existing regulations for every new regulation issued and abide by regulatory budget caps set by OMB. Substantively, Executive Order 13771 restores and greatly expands the authority OMB had under Executive Order 12291 as the final arbiter of benefits and costs and authorizes OMB to set regulatory cost caps. The Order also generally prohibits agencies from proposing or promulgating regulations not previously published in the Unified Regulatory Agenda. Procedurally, Executive Order 13771 established additional steps agencies must follow, supervised by OMB, including the issuance by OMB of enforceable regulatory budget caps. OMB issued final implementing guidance after publishing, and seeking public comment on, interim guidance. The final guidance clarifies several key issues. First,