“Tax Declared Unconstitutional After the Tax Execution Has Been Filed: PIS Contribution. Declaration of Unconstitutionality of Decree-Laws No. 2.445 88 E 2.449 88. Issue of Resolution 49 95. Effects ‘erga Omnes’ and ‘ex Tunc’ Effects. Need for a New Launch Within the Decadence Period”. 2024. Revista Do Tribunal Regional Federal Da 3ª Região 27 (129): 63-68. https://revista.trf3.jus.br/index.php/rtrf3/article/view/442.