AWS Organization Policies and AWS Config Rules

How to enforce and evaluate resource tagging

AWS Organization Tag Policy: How to Limit/Control what the end user can select when they are required to provide a Tag Key and Tag Value for any resource deployment.

AWS Organization APIs Tag Policy: How to create the Tag Policy using AWS Organization APIs.  Integrate department values from external sources like SAP and ServiceNow to create and automate the process.

AWS Config: Use AWS Config to assess, audit, and evaluate the values of your AWS resources. In the case of tagging, provide resource compliance monitoring/remediation to identify resources that are lacking tags with specific keys, using the required_tags rule.