Blog – CodeAura

CNPJ Readiness for Finance, Tax, and Operations Teams - Invoicing, Suppliers, and Customer Data

Legacy Systems and the Alphanumeric CNPJ: The Risk of Hard-Coded Assumptions

Legacy Systems and the Alphanumeric CNPJ - The Risk of Hard-Coded Assumptions

Legacy Systems and the Alphanumeric CNPJ: The Risk of Hard-Coded Assumptions

Impact Analysis for Alphanumeric CNPJ - What to Test Before Production

Impact Analysis for Alphanumeric CNPJ: What to Test Before Production

Impact Analysis for Alphanumeric CNPJ - What to Test Before Production

How the New CNPJ Check Digit Works: ASCII-48 and Modulo 11 Explained

The Technical Anatomy of the Alphanumeric CNPJ - Format, Mask, Regex, and Validation

The Technical Anatomy of the Alphanumeric CNPJ: Format, Mask, Regex, and Validation

CodeAura - Supporteam Iberia Partnership

CodeAura and SUPPORTEAM IBERIA Partner to Support Legacy Modernization in the Iberian Market

Where CNPJ Hides in Your Enterprise Systems - ERP, CRM, APIs, Reports, and Legacy Code

Where CNPJ Hides in Your Enterprise Systems: ERP, CRM, APIs, Reports, and Legacy Code

Why the New CNPJ Format Is a Systems Problem, Not Just a Tax Update

Why the New CNPJ Format Is a Systems Problem, Not Just a Tax Update

Brazil’s Alphanumeric CNPJ Is Coming - What Enterprises Need to Know Before July 2026

Brazil’s Alphanumeric CNPJ Is Coming: What Enterprises Need to Know Before July 2026

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