There's a requirement for a particular user to enter expense reports to two legal entities?

Summary:

Requirement is to enable a user to enter expense reports for two legal entities. Separate petty cash floats and expense report templates are maintained for each BU under the legal entities. How can we do this?

Content (required):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):