| Acronym | Meaning |
 | CES | Czech Language (ISO 639-2 Code) |
| CAVOK | Ceiling And Visibility OK (Kav-okay) |
| SL | Slovenian Language (ISO 639-1 Code) |
| SEN | Senegal (ISO 3166 Trigram) -Small Extension Node |
| PPASC | (U.S.) Plans And Program Analysis Support Center |
| NEPA | National Environmental Policy Act |
| ATF | French Southern Territories (ISO 3166 Trigram) -Bureau Of Alcohol |
| PAKISTAN | Punjab |
| SOCCSKSARGEN | South Cotabato |
| RW | Kinyarwanda Language (ISO 639-1 Code) |
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