2026-04-13 | Instrução Normativa BCB 722The Central Bank of Brazil issued Version 8.3 of the Operational Manual of the Transactional Account Identifiers Directory (DICT), which governs the Pix payment system. This document establishes technical standards for Pix key formats, validation procedures, and operational flows for registration, portability, and exclusion. It also mandates security mechanisms, API usage limits, and detailed procedures for fraud notification and value recovery.