A referendum on a trade initiative was held in Liechtenstein on 20 December 1964.Dieter Nohlen & Philip Stöver (2010) Elections in Europe: A data handbook, p1173 The proposal was rejected by 62.5% of voters.

Results ChoiceVotes%For1,13137.5Against1,88162.5Invalid/blank votes148–Total3,160100Registered voters/turnout3,80983.0Source: Nohlen & Stöver

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