Posted inITIN Where can I find my ITIN assignment date? Posted by By cpaglobal August 1, 2021 The ITIN assignment date can be found on the CP565 ITIN Assignment notice. cpaglobal View All Posts Post navigation Previous Post If I do not want to mail my original documents to the IRS when renewing my ITIN, do I have other options?Next PostHow do I renew an expiring ITIN?