| Description | Notes | |
|---|---|---|
| EN | YYYYWWYYYYWW | Spread of week numbers |
| FR | AAAASSAAAASS | Plage de numéros de semaine |
| ES | AAAASSAAAASS | Intervalo de semanas |
List 55 · Date format
08 — YYYYWWYYYYWW
<!-- ONIX snippet not yet curated for codelist 55 (value: 08) -->- Introduced in Issue 1