IAM tutorial: Delegate access across AWS accounts using IAM roles

• https://docs.aws.amazon.com/IAM/latest/UserGuide/tutorial_cross-account-with-roles.html

See also

• AWS accounts, alias: aws organizations [ describe-account | move-account | list-accounts | create-account | close-account | account-id | attach-policy ], AWS IAM Dashboard, AWS Management account, Root account