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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 20
Chapter II
Part 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.
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