---
title: "Acquire the additional tax liability by the license plate number (company car)"
method: GET
path: "/rdwservices/additionaltaxliability"
tags: ["Fiscal company car"]
---

# Acquire the additional tax liability by the license plate number (company car)

`GET /rdwservices/additionaltaxliability`

__Activity name:__ <a href="https://developer.loket.nl/Activities/GetAdditionalTaxliabilityByLicensePlateNumber" target="_blank">GetAdditionalTaxliabilityByLicensePlateNumber</a>

This endpoint allows the user to acquire values for specific properties in the company car resource. This endpoint will require a license plate number (vehicle registration number), and will return aggregated data based on its RDW-registration.

## Query parameters

- `licensePlateNumber` string, required

## Headers

- `Authorization` string, required
- `Accept` string, required

## Response `200`

OK

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `500` — Internal Server Error

---

[API](https://skmtc.net/loket/apis/loket-api.md) · [All operations](https://skmtc.net/loket/apis/loket-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/loket/loket-api/revisions/32d1693f8db8/schema)