As we discussed management of azure resource tags using GUI and PowerShell in this post , we have updated the resource tags on existing resources. However, its a best practice to update the resource tags at the time of resource creation. You can create policies in azure and apply it to the root management group which contains the subscription. Azure Policy enforces organization standards by evaluating resources and comparing to the policy definitions. Please find below screenshots which shows step by step how to create Azure Policy to enforce resource tags.