For a specific example, see the recent operation carried out by Polish Customs authorities: http://ec.europa.eu/anti_fraud/media-corner/press-releases/press-releases/2014/20140731_01_en.htm
Konkreetseks näiteks on Poola tolliasutuste hiljuti rakendatud meede: http://ec.europa.eu/anti_fraud/media-corner/press-releases/press-releases/2014/20140731_01_en.htm