| Description | Notes | |
|---|---|---|
| EN | ISTC | International Standard Text Code (16 characters: numerals and letters A–F, unhyphenated). Deprecated: the ISTC was withdrawn as a standard in 2021 |
| FR | not translated | — |
| ES | ISTC | Código Normalizado Internacional de Texto (16 caracteres: números y letras A–F, sin guiones). Desaconsejado: el ISTC fue retirado como norma en 2021 |
11
— ISTC
deprecated
- Introduced in Issue 24
- Last modified in Issue 70
- Deprecated in Issue 70