an Entity references as follows:
Five referendums were held in Switzerland during 1929. The first three were held on 3 March on the issues of grain supply (a proposal and counter-proposal) and a federal law on tariffs. The counter-proposal to the grain supply question and the tariffs law were both approved. The fourth and fifth referendums were held on 12 May on popular initiatives on road traffic and banning spirits. Both were rejected by voters.