Chapter 5.1.14 - CalcTaxes Response

At the highest level, a CalcTaxes response is a JSON object comprised of the following:

Key	Value
`inv`	`[InvoiceResult]` Invoice Result Contains information about the tax calculation results for each invoice submitted in the CalcTaxes request.
`err`	`[Error]` Error Contains information about any errors returned (as applicable)

{
  "inv": [
    {
      // Invoice Result
    }
  ],
  "err": [
    {
      // Error
    }
  ]}