56. Which institution(s) is responsible for examining financial reports and/or investigating violations?

") The Central Election Commission of Bosnia and Herzegovina shall be authorized to investigate all cases where the provisions of this law were not acted upon, and it may order certain persons to provide their written answers in order to ensure documented and other evidence, and to obtain witnesses’ statements regarding the investigation eventually initiated by the Central Election Commission of Bosnia and Herzegovina. The Central Election Commission of Bosnia and Herzegovina may independently or upon a filed complaint initiate an investigation or undertake appropriate measures."

Source: Aricle 14, LAW ON POLITICAL PARTY FINANCING 2012 (with 2016 amendments)