Since the seats are allocated according to the proportion of votes received in each district, parties usually nominate senior party officials on top of their lists in districts where they have traditionally enjoyed good levels of support, to ensure that the party's most prominent members win parliamentary seats.
In December 2010, the Constitutional Court of Croatia decided to inform the Parliament of a necessity to update the electoral unit definitions according to current population data, in accordance with the provisions of the 1999 Law on electoral units [REF].