| Acronym | Meaning |
 | ICAO | International Civil Aviation Organization |
| NIPA | National Income And Product Accounts |
| USBR | Bureau Of Reclamation |
| OVC | Office For Victims Of Crime |
| FFB | Federal Financing Bank |
| CITES | Convention On International Trade In Endangered Species Of Wild Fauna And Flora |
| IES | Institute Of Education Sciences |
| NRPC | National Railroad Passenger Corporation (AMTRAK) |
| PHPPO | Public Health Practice Program Office |
| OACU | Office Of Animal Care And Use |
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