DELE is Spain's official Spanish proficiency diploma, issued by the Instituto Cervantes on behalf of the Ministry of Education and spanning the full CEFR range from A1 through C2, with certificates that never expire once earned. Its defining structural feature is grouping the four skills into two evaluated pairs — Reading with Writing, and Listening with Speaking — each requiring at least 60% independently, so a strong skill can offset a weaker paired one but can't compensate for a shortfall in the other pair entirely. Administered on a small number of fixed worldwide exam dates each year rather than on-demand scheduling, DELE remains the more traditionally established and often more formally required Spanish certificate compared to the Instituto Cervantes' own newer digital alternative, SIELE, which trades some of that formal weight for considerably faster turnaround and more flexible dates. Because the grouped-pair scoring structure differs from the fully independent per-skill thresholds used by exams like DELF, candidates transferring preparation strategy from another language certification should specifically confirm which skills are paired together before assuming their usual weak-skill-focused study approach will translate directly.