Overview
- Three legislative resolutions in El Peruano formalize a new Reglamento del Congreso and separate rulebooks for the Senate (No. 006-2025-2026-CR) and the Chamber of Deputies (No. 005-2025-2026-CR).
- The Senate is declared indissoluble under Article 134 and continues to exercise full powers during any dissolution of the lower chamber without losing administrative, personnel or budgetary capacity.
- The Senate will have at least 60 members and the Chamber of Deputies at least 130, each elected for five years with seat counts expandable by organic law and the regulations taking effect the day after the JNE proclaims official results.
- The calendar fixes election of chamber leadership by July 26, 2026 and the official installation for July 27, following the April 12, 2026 vote for deputies.
- Key competencies are divided, with the Senate handling selection and ratification of top officials such as the Ombudsman, Comptroller, Constitutional Court magistrates, BCR directors and the SBS superintendent, while the Deputies lead oversight including interpellations, censures, confidence votes and the qualification of presidential vacancy subject to a two‑thirds threshold and referral to the Senate.