| Acronym | Meaning |
 | HIRS | Health Information Resources Service |
| MSPB | Merit Systems Protection Board |
| ORD | Office Of Rare Diseases |
| PHN | Center For Population |
| CETEC | Topographic Engineering Center |
| ORMH | Office Of Research On Minority Health |
| NCS | National Communications System |
| OSC | Office Of Special Counsel |
| CPO | Corrections Program Office (Merged With BJA) |
| USPS | United States Postal Service ˜(state And Street Abbreviations) |
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