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Regulations last checked for updates: Sep 25, 2026

Title 20 - Employees' Benefits last revised: Sep 16, 2026
All TitlesTitle 20Chapter IIPart 221 - PART 221—JURISDICTION DETERMINATIONS
  • § 221.1 - Introduction.
  • § 221.2 - Railroad Retirement Board jurisdiction.
  • § 221.3 - Social Security Administration jurisdiction.
  • § 221.4 - When a jurisdiction decision may be reversed.
authority: 45 U.S.C. 231f(b)(1), (b)(2); 45 U.S.C. 231f(d); 45 U.S.C. 231q.
source: 47 FR 7656, Feb. 22, 1982, unless otherwise noted.
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