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A. There must be clear evidence that the substance use was responsiblefor (or substantially contributed to) physical or psychological harm, including impaired judgment or dysfunctional behaviour.
B. The nature of the harm should be clearly identified (and specified).
C. The pattern of use has persisted for at least 1 month or has occurred repeatedly within a 12-month period\ D. The disorder does not meet the criteria for any other mental or behavioural disorder related to the same drug in the same time period (except for acute intoxication)
At least three of the following: