Overview
- The Boleta Única de Papel, enabled by law 27.781, debuted nationwide in the October 26 legislative elections.
- Election night operations were smooth, with about 90% of tables counted by roughly 21:00 and no major system-related complaints reported.
- Definitive tallies show elevated blank votes across eight provinces that chose senators, with Chaco and Salta topping 10%.
- Analysts report many voters marked only the top Senate category and left Deputies blank, a pattern linked to limited voter instruction and ballot layout.
- Electoral authorities and civil-society groups plan a 2026 evaluation to improve training and design, as more provincial implementations are slated for 2027.