Related Clues:
- Org. issuing nine-digit IDs
- Senior's org
- Org. promoted by Betty White
- Org. for mature audiences only?
- Govt. insurer of seniors
- Org. for senior citizens
- Grp. for those 50+
- Seniors' advocacy org
- 50-and-up org
- Group that's got your no.?
- Group with many golden agers
- Senior citizen's grp
- ID-assigning org
- Gp. for Baby Boomers
- Fed. retirement org