On November 21, 2023, ANATEL published Official Letter 429/2023/ORCN/SOR-ANATEL, which is the guidelines on accepting test reports from abroad under Act No. 7280/2020. According to the Letter, the obligations contained in Act No. 4083/2020 are valid for any test reports and Brazilian standard, on the distribution voltage and its frequency, should be followed in the tests carried out. The obligat..