3. Is there a ban on corporate donations to political parties?

Art. 24. "(1) Political parties may not receive: ... 2. any funds from any legal persons and from any sole traders; ... 4. any funds from any foreign governments or from any foreign state-owned enterprises, foreign commercial corporations or foreign non-profit organizations. (2) Political parties may not receive any movable and immovable items for gratuitous use, nor any gratuitous services in any form whatsoever, from the entities referred to in Items 2, 3 and 4 of Paragraph (1).

The Political Parties Act, 2005

Чл. 24. (1) " Политическите партии не могат да получават:

2. средства от юридически лица и от еднолични търговци."  

Закон за политическите партии, 2005

In 2019 the Political Parties Act was changed by allowing corporate donations. However with a decision of the Constitutional Court in 2021 the amendment was removed because it was considered as unconstitutional