There are two main ways to check the status of account configuration:
1) Review your current AWS Accounts list for any accounts in a Critical (RED) Status
You can confirm if you have a CUR enabled for all of your currently active Consolidated Master Payer and Standalone accounts -
Please edit your Columns to add in the 'Detailed Billing Bucket' & 'Cost and Usage Bucket' columns to ensure you are reviewing the correct accounts -
If an account does not have access to the CUR, its status will update to "Critical" and you can click into the Status Banner for more details. For example, if I click on a Critical Status banner I see the following:
2) If you would like to monitor your account Status moving forward, you can configure a governance policy with your resource type set to "Amazon Account" with a condition similar to the following:
This will allow you to configure a Rule that will alert you if an existing account goes Critical so you can review and take action.
For more details on policies, see: Build a Policy for Notifications