The Reg Map: A guide to the U.S. federal informal rulemaking process

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ICF’s Reg Map® provides federal agencies, Congressional committees, law schools, and others in the public and private sector with an overview of how the federal rulemaking process works. This complimentary guide—updated in 2025—contains:

  • Practical information on how the U.S. federal informal rulemaking process works and guidance for regulators on required components of procedural tasks and potential challenges along the way;
  • Citations to relevant statutes, regulations, and Executive Orders;
  • References to authoritative interpretations of important rulemaking concepts; and
  • FAQs and a “Frequently Used” terms and abbreviations table that serves as a handy reference for agency program staff, journalists, students, and others interested in understanding the process.