---
title: "Invoice To Department Options"
method: GET
path: "/v3/billing/option-items/invoice-to-department"
tags: ["Billing"]
---

# Invoice To Department Options

`GET /v3/billing/option-items/invoice-to-department`

Returns a list of company departments that can be used to specify where billing should be invoiced to. The endpoint is typically used to populate dropdowns or selection fields in user interfaces or to enforce business rules.

## Query parameters

- `companyExternalId` string
- `departmentExternalId` string
- `companyGuid` string, uuid

## Headers

- `FrontOfficeTenantId` integer, required
- `RequestOrigin` string, required
- `RequestId` string, uuid, required — The unique request identifier used to correlate request data with log entries and events, formatted as a UUID.
- `ExternalIdSource` 'BOLD', required
- `RequestUserExternalId` string

## Response `200`

Returns a list of company departments that can be used to specify where billing should be invoiced to.

- Department[]
  - `companyExternalId` string, nullable — The unique system-defined identifier for the Company.
  - `companyGuid` string, uuid, nullable — The Back Office unique identifier for the Company, formatted as a UUID.
  - `departmentExternalId` string, nullable — The unique system-defined identifier for the Company Department.
  - `departmentGuid` string, uuid, nullable — The Back Office unique identifier for the Department, formatted as a UUID.
  - `departmentName` string — The name of the company department.

## Other responses

- `400` — Bad Request
- `402` — Additional subscription required.
- `403` — Access Denied
- `404` — Not found
- `405` — Unsupported method
- `409` — Duplicate conflict
- `415` — Unsupported format(s) indicated by the Content-Type header
- `429` — Too many requests
- `500` — An unexpected error occurred
- `502` — Service Unavailable
- `504` — Gateway Timeout

---

[API](https://skmtc.net/avionte/apis/aviont-partner-authorization-api.md) · [All operations](https://skmtc.net/avionte/apis/aviont-partner-authorization-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/avionte/aviont-partner-authorization-api/revisions/846b33e4e71b/schema)