 |
| Subject | English | Thesaurus |
| USA | No Further Action Request | NFAR |
| abbr. | Program Request Key | PRK (Vosoni) |
| abbr. | request advice as to further action | reqafa |
| law, abbr. | Request For Further Evidence | RFE |
| NASA, abbr. | Request For Services | RFS |
| IT, abbr. | Supplementary Information REquest at the National Entry | SIRENE (SIS, EU) |