Wine fraud "Appellation d'origine contrôlée" (AOC) used in France, the "Denominazione di origine controllata" (DOC) used in Italy, the "Denominação de Origem Controlada" (DOC) used in Portugal, and the "Denominación de Origen" (DO) system used in Spain. Producers who are registered in each appellation must abide by the appellation's rules, including exact percentage of grapes (often 100%) that must come from that region. Producers who fraudulently use grapes outside the region they are proclaiming on their wine labels can be caught by the appellation's authorities. As it became more difficult to fraudulently label wines with the wrong provenance, label fraud soon evolved
Basic Laws of Sweden all MPs may bring a motion for a referendum which must be support by at least one-third of all MPs. The referendum is held simultaneously with Riksdag elections and the amendment is deemed rejected if a simple majority of voters reject it, provided the majority is a majority of all valid votes. If the people do not dismiss a change, it still has to be ratified by the newly elected Riksdag. Such a referendum has never been used. Basic Laws of Sweden The Basic Laws of Sweden () are the four fundamental laws of the Kingdom of Sweden that regulate