---
title: "Changes to Create a tax line item on a sales order"
method: POST
path: "/api/sales-orders/{salesOrderId}/tax-line-items"
---

# Changes to Create a tax line item on a sales order

`POST /api/sales-orders/{salesOrderId}/tax-line-items`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 55 revisions.

- **2026-06-14** `68a3cf300a5d`: 4 info

## Changes

- **2026-06-14** `68a3cf300a5d`: 4 info
  - added the new optional request property `externalReferences/additionalProperties/lastSyncedUtc` (media type: application/json-patch+json)
  - added the new optional request property `externalReferences/additionalProperties/lastSyncedUtc` (media type: application/json)
  - added the new optional request property `externalReferences/additionalProperties/lastSyncedUtc` (media type: text/json)
  - added the new optional request property `externalReferences/additionalProperties/lastSyncedUtc` (media type: application/*+json)

---

[Operation](https://skmtc.dev/fulcrumpro/apis/fulcrum-publicapi/docs/api/sales-orders/:salesOrderId/tax-line-items/post.md) - [API](https://skmtc.dev/fulcrumpro/apis/fulcrum-publicapi.md) - [Page](https://skmtc.dev/fulcrumpro/apis/fulcrum-publicapi/changes/api/sales-orders/:salesOrderId/tax-line-items/post)