HALASZ, A. Statutory and operative definitions of legal terms in the tax law. Prawo Budżetowe Państwa i Samorządu, [S. l.], v. 7, n. 4, p. 29–42, 2020. DOI: 10.12775/PBPS.2019.024. Disponível em: https://apcz.umk.pl/PBPS/article/view/PBPS.2019.024. Acesso em: 16 sie. 2024.