27. Are there provisions requiring donations to go through the banking system?

Art. 22 - 'Political party appoints a proxy single financial institution responsible for preparing the provided for in Article 24. The body responsible for appoint the financial agent is determined by the statutes.The party opens a single bank or postal account to carry out all its financial transactions. All financial transactions of recipe or party expenses, are made by transfers or bank or postal checks if their value exceeds five hundred (500) dinars. Fragmentation of recipes and  xpenditure in order to avoid exceeding the above-mentioned value is not allowed. Bank or postal accounts of the parties policies can only be frozen by decision judicial.' 

Decree-Law No. 2011-87 of 24 September 2011, on the organization of political parties.