# Chapter 5.1.14 - CalcTaxes Response

Source: https://developer.avalara.com/products/communications/integration-guides/dev-guide_rest_v2/reference/calc-taxes-response/

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### The CalcTaxes Response

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

Key

Value

`inv`

[`[InvoiceResult]`](/communications/dev-guide_rest_v2/reference/invoice-result/) Invoice Result  

Contains information about the tax calculation results for each invoice submitted in the [CalcTaxes request](/communications/dev-guide_rest_v2/reference/calc-taxes-request/).  

`err`

[`[Error]`](/communications/dev-guide_rest_v2/reference/error-response/) Error  

Contains information about any **errors** returned (as applicable)  

### Example

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

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