Paweł Smoleń – is a professor and head of the Department of Finance and Financial Law at the Faculty of Law, Canon Law, and Administration of The John Paul II Catholic University of Lublin. Chairman of the International Research Network KULTAX. From January 2007 is a President of the Local Government Board of Appeals in Lublin. From 2012 to 2019 he was the Vice-Rector for Finances of the University. His research and classes cover a wide range of financial law issues, with particular emphasis on the financial and legal matters at the local government level.Beata Kucia-Guściora – is a professor at the Faculty of Law, Canon Law, and Administration of The John Paul II Catholic University of Lublin. Her research and classes cover a wide range of financial law issues, with particular emphasis on international tax law.Marcin Burzec - is an associate professor at the Faculty of Law, Canon Law, and Administration of The John Paul II Catholic University of Lublin. His research and classes cover a wide range of financial law issues, with particular emphasis on tax law and comparative tax law.

Paweł Smoleń – is a professor and head of the Department of Finance and Financial Law at the Faculty of Law, Canon Law, and Administration of The John Paul II Catholic University of Lublin. Chairman of the International Research Network KULTAX. From January 2007 is a President of the Local Government Board of Appeals in Lublin. From 2012 to 2019 he was the Vice-Rector for Finances of the University. His research and classes cover a wide range of financial law issues, with particular emphasis on the financial and legal matters at the local government level.Beata Kucia-Guściora – is a professor at the Faculty of Law, Canon Law, and Administration of The John Paul II Catholic University of Lublin. Her research and classes cover a wide range of financial law issues, with particular emphasis on international tax law.Marcin Burzec - is an associate professor at the Faculty of Law, Canon Law, and Administration of The John Paul II Catholic University of Lublin. His research and classes cover a wide range of financial law issues, with particular emphasis on tax law and comparative tax law.