On 1 February 2017, Normative Instruction RFB No. 1687 (NI 1687) was published in Brazil's Official Gazette. NI 1687 regulates the new tax regularization program (Programa de Regularizacão Tributária - PRT) introduced by Provisional Measure 766/2017. The program is available for both individuals and legal entities with unpaid tax debts up to 30 November 2016, with payments made using one of fou…