| suomi | fin-000 |
| tulliliitto | |
| български | bul-000 | митнически съюз |
| català | cat-000 | unió duanera |
| čeština | ces-000 | celní unie |
| dansk | dan-000 | toldunion |
| Deutsch | deu-000 | Zollunion |
| eesti | ekk-000 | tolliliit |
| ελληνικά | ell-000 | τελωνειακή ένωση |
| English | eng-000 | customs union |
| Esperanto | epo-000 | dogana unio |
| français | fra-000 | union douanière |
| hrvatski | hrv-000 | carinska unija |
| magyar | hun-000 | vámunió |
| italiano | ita-000 | unione doganale |
| 日本語 | jpn-000 | 関税同盟 |
| lietuvių | lit-000 | muitų sąjunga |
| latviešu | lvs-000 | muitas savienība |
| Nederlands | nld-000 | douane-unie |
| polski | pol-000 | unia celna |
| português | por-000 | União Aduaneira |
| português | por-000 | união aduaneira |
| română | ron-000 | uniune vamală |
| slovenčina | slk-000 | colná únia |
| slovenščina | slv-000 | carinska unija |
| español | spa-000 | unión aduanera |
| српски | srp-000 | царинска унија |
| svenska | swe-000 | tullunion |
| ภาษาไทย | tha-000 | สหภาพศุลกากร |