Overview

• The National Electoral Chamber released the definitive register and enabled lookups at padron.gob.ar and via the official WhatsApp chatbot Vot‑A at +54 911 2455‑4444 for polling place, table and order information.
• Voters will use the Boleta Única de Papel nationwide for the first time, with two formats depending on whether a district elects only deputies or both deputies and senators.
• The ballot lists parties in vertical columns and offices in horizontal rows, voters mark one box per category, may mix choices across parties, then fold the sheet and place it directly in the urn without an envelope.
• The Oct. 26 legislative vote renews 127 seats in the Chamber of Deputies nationwide and 24 Senate seats in Salta, Chaco, Santiago del Estero, Entre Ríos, Neuquén, Río Negro, Tierra del Fuego and the City of Buenos Aires.
• In the province of Buenos Aires, authorities detailed custody controls such as numbered booklets with barcodes and sealed bags, replaced the traditional booth with two cardboard screens in classrooms, and banned ballot photos with fines up to 70,000 pesos.