Chapter 25. Unfunded Mandates Reform Subchapter i. Legislative Accountability and Reform Subchapter ii. Regulatory Accountability and Reform Subchapter iii. Review of Federal Mandates Subchapter iv. Judicial Review 2 U.S. Code §1501. Purposes 2 U.S. Code §1502. Definitions 2 U.S. Code §1503. Exclusions 2 U.S. Code §1504. Agency assistance