# Federal Old-Age, Survivors and Disability Insurance (1950- )
> **US Social Security Administration** · Rule · Published 2001-02-02 · 66 FR 8768
## Document
- **Document number:** 00-55522
- **Category:** ssa-disability
- **Agency:** US Social Security Administration
- **Federal Register citation:** 66 FR 8768
- **CFR reference:** 20 CFR 404
- **Publication date:** 2001-02-02
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/02/02/00-55522/federal-old-age-survivors-and-disability-insurance-1950--)
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