25. Is there a ban on candidates taking loans in relation to election campaigns?

Parliamentary Elections, 8 April 2018 ODIHR Limited Election Observation Mission Final Report

https://www.osce.org/odihr/elections/hungary/385959?download=true

In election campaigns parties may also solicit private funds and several parties relied on loans from banks and individuals. For the Parliamentary Elections 2018, one party (DK) was partially funded by a loan from its prime ministerial candidate; LMP acquired a bank loan of HUF 150 million = EUR 459 331.