48. Do political parties have to report on their election campaign finances?
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Czechia
"(1) Political parties and movements are obligated to present their annual financial reports featuring the following information to the Chamber of Deputies by 1 April of each year:
... (f) election expenditures broken down by type of election to which the Party and Movement participated in the given calendar year, ..."
Source: Article 19(1), Act No. 424/1991_The Law on Association in Political Parties and Political Movements, 1991
The information about parties' expenditures incured in connection with the election campaigns is covered by annual reports.