The AWS control tower close account makes it easy to manage your organization but you need to follow a set of steps while leaving the organization.
The prerequisites of closing and deleting an account from the organization are:
Choose the live chat option as they respond quickly on that. Later, they will call to verify the phone number entered in the billing details of the account. Make sure that it is your number.
Click on My account and follow the steps:
Scroll down to the bottom of the screen and tick the 4 boxes and click on the ‘Close Account’ button. You will get a confirmation message as seen below.
Now log into the console and go to AWS Organizations. Select the Account that you want to remove, and click on the Actions drop down menu to select the “Remove form Organization” option.
Ensure that you follow all these steps properly to delete your AWS account from the organization permanently. At the same time, make sure that the account is removed from the AWS set of < Please update this section as well. Read more here