Where can I find documentation on Manage Taxes - Copy and Override and Create New Tax from this Tax?

Summary:

Under the Actions poplist of the Manage Taxes UI, there are 2 options I would like to know about:

• Copy and Override
• Create New Tax from this Tax

Is there any document on these 2 features?

Content (required):

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

22.C

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