You are only required to notify the police if there is an injury related to the crash, if public property has been damaged, OR if the combined damage to both vehicles equals more than $1200.00If this is the case, all drivers involved are required to complete a State of Minnesota Accident Report. This requirement is in place regardless of whether an officer responded to the crash scene or not. This report can be obtained from the Chaska Police department or online from the Department of Public Safety. State of Minnesota Accident Report