“…This also happened during the subprime crisis in the EU and the U.S. The sector's densities should be sustainable in relation to imposed regulatory obligations and tasks, including supporting the country's economy (Kalicki, 2019;Żółtkowski, 2016).Thus, under the concept of public-legal burdens, or a kind of tribute, the authors understand the burden more extensive than only taxes, i.e., also resulting from statutory regulations for banks, e.g., contributions to BFG, contributions from cooperative banks to SOZ -Association Protection System, Institutional Protection Scheme -IPS (Dec & Masiukiewicz, 2018) fees on the Polish Financial Supervision Authority and others ( Figure 1).…”