Closing a management account in your organization
To close the management account in your organization, you must first either close or remove all member accounts in the organization. The act of closing the management account also deletes the instance of AWS Organizations and any policies that you created inside of that organization after the post-closure period has expired.
How to close a management account
Use the following procedure to close a management account.
Important
Before you close your management account, we highly recommend that you review considerations and understand the impact for closing an account. For more information, see What you need to know before closing your account and What to expect after you close your account in the AWS Account Management Guide.