# Parameters

Source: https://developer.avalara.com/avatax-for-bevalc/understanding-shipping-verification/parameters/

# Parameters

The table below describes the parameters that are specified in the shipping verification request URLs.

Parameter

Description

`companyCode`

Specify the code of the company that recorded this transaction.

`transactionCode`

Specify the transaction code of the shipment that you want to verify.

`documentType`

Optionally specify a document type of either `SalesInvoice` (default) or `ReturnInvoice` . This is required for `ReturnInvoice` transactions.

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