APPLICABILITY OF ARTICLE 170-A OF THE NATIONAL TAX CODE (CTN) TO TAX UNDUE PAYMENTS ARISING FROM UNCONSTITUTIONALITY. CIPEEX, [S. l.], 2025. Disponível em: https://anais.unievangelica.edu.br/index.php/CIPEEX/article/view/14634. Acesso em: 20 jun. 2026.