| Acronym | Meaning |
 | OFAC | Office Of Foreign Assets Control |
| PBGC | Pension Benefit Guaranty Corporation |
| OPA | Office Of Population Affairs |
| ATF | Bureau Of Alcohol |
| OFR | Office Of The Federal Register |
| IHS | Indian Health Service |
| PAM | Office Of Acquisition And Property Management |
| NSTL | National Space Technology Laboratories |
| NIPC | National Infrastructure Protection Center |
| PAHO | Pan American Health Organization |
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