| Acronym | Meaning |
| EOIR | Executive Office For Immigration Review |
| CFR | Code Of Federal Regulations |
| FHWA | Federal Highway Administration |
| NCHS | National Center For Health Statistics |
| PHA | Public Housing Agency |
| OAT | Office For The Advancement Of Telehealth |
| NR | National Register Of Historic Places |
| NIA | National Institute On Aging |
| IRS | Internal Revenue Service |
| PHN | Center For Population |