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The 15 members of the Landtag were elected by open listproportional representation from two constituencies, Oberland with 9 seats and Unterland with 6 seats. The electoral threshold of 18% had been replaced by a basic mandate system due to the Liechtenstein constitutional court ruling it unconstitutional in 1962. The election used a majority clause, where the party with the most votes also received the most seats. Only males were eligible to vote.