Create a new tax and return the corresponding tax_id.
- Tax 'name' must be unique. You may not create more than one tax with the same name.
Update an existing tax. All fields aside from the tax_id are optional; by omitting a field, the existing value will remain unchanged.
Return the complete details for a given tax_id.
Returns a list of taxs, ordered by descending tax_id.
Filters: Use a "compound" tag to return only compound or non-compound taxes.
Delete an existing tax.