1. Act of 17 July 2009 on gases emission system management. https://www.gov.pl/attachment/270be6b8-df12-4e51-8e86-d87d956c42ec (in Polish).
2. Act of 20 July 2017 – Water Law. https://isap.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=WDU20170001566 (in Polish).
3. Act of July 20, 1991 on Environmental Protection Inspection (Journal of Laws of 1991, No. 77, item 225). https://isap.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=wdu19910770335 (in Polish).
4. Act of June 13, 2013 on packaging and packaging waste management (Journal of Laws of 2013, item 888). https://isap.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=wdu20130000888 (in Polish).
5. Act of May 11, 2001 on the obligations of entrepreneurs in the field of certain waste management and product fee (Journal of Laws of 2001, No. 63, item 639). https://isap.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=WDU20010630639 (in Polish).