Ribbon Bar, NATO AMIS Style:CF Slide The change was made because

The change was made because the SSM is reserved for members of the CF only and there was desire to recognize police officers and Canadian civilians serving with the CF and the police in humanitarian missions

In this context

Medal Mounting Supplies – Defence Medals Canada

NATO Logistical Support to the African Union Mission in Sudan (AMIS) and the United Nations - African Union Hybrid Mission in Darfur (UNAMID) (Operation SATURN) is not eligible for this medal as it is recognized by the award of the UN Special Service Medal

and each ribbon has its own criteria

Ribbon Bar, NATO AMIS Style:CF Slide The change was made becauseThe thin ribbon bar version includes built in mounting pins and butterfly clutches. When ordering different ribbon bars they will be mounted as one unit, unless specified when ordering. The slide version of the ribbon bars require a ribbon mount, sold separately. Medal Mounting Supplies Defence Medals Canada