| Acronym | Meaning |
 | NIDDK | National Institute Of Diabetes And Digestive And Kidney Disease |
| U.S.C. | United States Code |
| ACHP | Advisory Council On Historic Preservation |
| NASS | National Agricultural Statistics Service |
| CDC | Centers For Disease Control |
| OTJ | Office Of Tribal Justice |
| RBS | Rural Business-Cooperative Service |
| FTC | Federal Trade Commission |
| INS | Immigration And Naturalization Service (replaced By USCIS) |
| NIFC | National Interagency Fire Center |
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