KARCZYŃSKI, Łukasz. Loss on Non-Deliverable Currency Options or Forward Contracts in Corporate Income Tax and the Notion of Expense Related to Acquisition of a Derivative. Financial Law Review, [S. l.], v. 1, n. 2, p. 1–14, 2016. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/flr/article/view/936. Acesso em: 15 may. 2024.