| 201 to 214. | Omitted or Repealed. | |
| 215 to 228. | Omitted. | |
| 228a to 228z–1. | Omitted or Repealed. | |
| 231. | Definitions. | |
| 231a. | Annuity eligibility requirements. | |
| 231b. | Computation of annuities. | |
| 231c. | Computation of spouse and survivor annuities. | |
| 231d. | Annuity beginning and ending dates. | |
| 231e. | Lump sum payments. | |
| 231f. | Railroad Retirement Board. | |
| 231f–1. | Annual actuarial report. | |
| 231g. | Court jurisdiction. | |
| 231h. | Returns of compensation; conclusiveness. | |
| 231i. | Erroneous payments. | |
| 231j. | Waiver of annuities. | |
| 231k. | Incompetence. | |
| 231l. | Penalties. | |
| 231m. | Assignability; exemption from levy. | |
| 231n. | Railroad Retirement Account. | |
| 231n–1. | Social Security Equivalent Benefit Account. | |
| 231o. | Private pensions. | |
| 231p. | Free transportation. | |
| 231q. | Crediting service under Social Security Act. | |
| 231r. | Automatic benefit eligibility requirement adjustments. | |
| 231s. | Separability. | |
| 231t. | Short title. | |
| 231u. | Benefit preservation. | |
| 231v. | Computation and certification of account benefit ratios. | |
