For a product to be considered as embodying elements of tradition, it must have been in circulation on the market since before the Second World War, which is regarded worldwide as a landmark period.
Lai produktu varētu uzskatīt par tradicionālu, tam jābūt bijušam apgrozībā tirgū pirms Otrā pasaules kara, ko visā pasaulē uzskata par atskaites laikposmu.