Quote

"The use of public resources by the authorities for campaigning purposes must be prohibited. Political parties and their representatives, including those who are elected representatives or hold a public office, are entitled to take actively part in the campaign. Particular duties of reserve may apply to the persons belonging to the public authority responsible for the organisation or supervision of the referendum."

Document

CoE (Venice Commission): Revised Guidelines on the Holding of Referendums, para. I.3.1.b

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Revised Guidelines on the Holding of Referendums

Spanish; Castilian

French

Summaries

The law should be clear regarding the extent to which public employees may be involved in a campaign.
The legal framework should provide for a general prohibition of abuse of public resources and of official position, clearly stipulating permissible and prohibited practices.