Amazon WorkSpaces helps simplify Bring Your Own License (BYOL) account management

Amazon WorkSpaces now offers APIs to link your AWS accounts, within the same region, so that these accounts can use the same underlying dedicated infrastructure. AWS enables you to run your Bring Your Own License (BYOL) WorkSpaces on infrastructure that is dedicated to you in the AWS Cloud, and these new APIs make it easier for the you to use your dedicated infrastructure efficiently. 

Source:: Amazon AWS