Current: https://github.com/cleverage/accessibility-steps/blob/master/accessibility-first-step/en/75.md French: https://checklists.opquast.com/fr/accessibility-first-step/criteria/utiliser-un-attribut-label-pour-chaque-element-optgroup
Current: https://github.com/cleverage/accessibility-steps/blob/master/accessibility-first-step/en/75.md
French: https://checklists.opquast.com/fr/accessibility-first-step/criteria/utiliser-un-attribut-label-pour-chaque-element-optgroup