If you ever worked in the railroad industry, even for a period as short as one day, records are maintained on you in:
- RRB-5 Master File of Railroad Employees' Creditable Compensation
If you registered with the Railroad Retirement Board to obtain your social security number, a 700 series number, a record is maintained on you in:
- RRB-12 Railroad Employee's Registration File
If you have at least 120 months of railroad service or worked in the current reporting year, a record is maintained on you in:
- RRB-4 Estimated Annuity, Total Compensation and Residual Amount File (MARC)
If you have ever worked under the Social Security System, a record is maintained on you in:
- RRB-16 Social Security Administration Master Earnings File
It is also possible that a record could be found on you in the following "research-history" system:
- RRB-29 Railroad Employees' Gross Earnings