Posted inITIN Where can I find my ITIN assignment date? Posted by By cpaglobal July 25, 2021 The ITIN assignment date can be found on the CP565 ITIN Assignment notice. cpaglobal View All Posts Post navigation Previous Post What happens if I file a tax return prior to receiving notification that my expired ITIN has been renewed?Next PostIf I have an ITIN with middle digits of 88, 90, 91, 92, 94, 95, 96, 97, 98 or 99 , can I renew my family member’s ITIN, even if it is not expiring?