# Carrier code

Source: https://developer.avalara.com/avatax-for-bevalc/requirements/carrier-code/

# Carrier code

**Element type: Required**

**Endpoints used:** [TransactionParameterModel](https://developer.avalara.com/api-reference/avatax/rest/v2/models/TransactionParameterModel/), [TransactionLineParameterModel](https://developer.avalara.com/api-reference/avatax/rest/v2/models/TransactionLineParameterModel/)

Your integration must provide a way for users to specify the compliant carrier code used for shipping. This is done using the`CarrierCode` parameter.

Available options for this parameter are:

-   `FEX`
-   `FEH`
-   `GPA`
-   `UWE`
-   `UP3`
-   `GES`
-   `UPA`
-   `FXG`
-   `GSP`
-   `FXP`
-   `FFO`
-   `UWEP`
-   `UWED`
-   `UPSA`
-   `GSC`
-   `GSS`
-   `FXO`
-   `FHA`
-   `UP1`
-   `GPC`
-   `FHE`
-   `GSN`
-   `FHD`
-   `FEXCC`
-   `FEXA`
-   `UP2`
-   `UP2A`
-   `FXE`
-   `UPS`

```
"lines": [  {    "parameters":[      {        "name":"CarrierCode",        "value":"UPS"      }    ]  }]
```

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