---
title: "Migrating Chinese Unified Social Credit Identifiers (USCI) to a custom property"
url: "https://www.opensanctions.org/changelog/26/"
id: "26"
date_created: "2025-08-04T14:00:59.811Z"
date_effective: "2025-12-01"
breaking: false
categories: ["Data model","Export formats"]
---

# Migrating Chinese Unified Social Credit Identifiers (USCI) to a custom property

All `LegalEntities` in the data model now have a `uscCode` property, which is designed to store Unified Social Credit Identifiers for Chinese companies and individuals. In order to ease adoption of this new property, we are currently emitting USCI in both the new `uscCode` property, and in the more generic `registrationNumber` property that has been available previously. As of December 1, 2025, we will stop including USCI in `registrationNumber`, and make the identifiers available in the more specific field only.