On 23 December 2005, a Dutch court ruled in a case brought against Frans van Anraat for supplying chemicals to Iraq, that "[it] thinks and considers it legally and convincingly proven that the Kurdish population meets the requirement under the genocide convention as an ethnic group. The court has no other conclusion than that these attacks were committed with the intent to destroy the Kurdish population of Iraq." Because van Anraat supplied the chemicals before 16 March 1988, the date of the Halabja poison gas attack he was guilty of a war crime but not guilty of complicity in genocide.[480][481]