| Acronym | Meaning |
 | OCSE | Office Of Child Support Enforcement |
| NAICS | North American Industry Classification System |
| NHPRC | National Historical Publications And Records Commission |
| CERCLIS | Comprehensive Environmental Response |
| FINCEN | Financial Crimes Enforcement Network |
| WHMO | White House Military Office |
| SIC | Standard Industrial Classification |
| RUS | Rural Utilities Service |
| CSE | Office Of Child Support Enforcement |
| OFA | Office Of Family Assistance |
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