Croatia - 2006 Party Finance Law

Title Article 5
Chapter II. FUNDS FOR THE WORK OF POLITICAL PARTIES
Section Anonymous voluntary contributions (donations)
Article

5

It is prohibited to receive voluntary contributions (donations) from unidentified (anonymous) sources.

Categories - Party finance (Private funding)
Source http://aceproject.org/ero-en/regions/europe/HR/the-act-on-the-financing-of-political-parties/view