> ## Documentation Index
> Fetch the complete documentation index at: https://developer.jtl-software.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ShippingTaxCodeChoiceInput

> Where the tax code of a shipping line item comes from, when written.



**Kind**: `input`

## Fields

**`source`**: `String!` (required)

Where the tax code comes from. Known values: TAX_CODE, LINE_WITH_HIGHEST_VALUE, LINE_WITH_HIGHEST_RATE. New values can be added without a contract change.

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**`taxCodeId`**: `ID`

The tax code. Required when the source is TaxCode, not allowed otherwise.