---
title: Operational Technology Change Management reference
description: Reference topics provide additional information about the Operational Technology Change Management application.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/operational-technology/operational-technology-change-management/oper-tech-change-management-reference.html
release: australia
product: Operational Technology Change Management
classification: operational-technology-change-management
topic_type: reference
last_updated: "2026-03-12"
reading_time_minutes: 1
breadcrumb: [Operational Technology Change Management, Operational Technology]
---

# Operational Technology Change Management reference

Reference topics provide additional information about the Operational Technology Change Management application.

-   **[Change categories](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/operational-technology/operational-technology-change-management/ot-change-categories.md)**  
By categorizing the Operational Technology \(OT\) change requests, you can group and narrow the search for specific OT change requests. Categories also help stakeholders know what the change is about.
-   **[Components installed with Operational Technology Change Management](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/operational-technology/operational-technology-change-management/components-installed-with-operational-technology-change-request.md)**  
Several types of components may be installed with activation of the Operational Technology Change Management \(sn\_ot\_chg\_mgmt\) application, including the user roles.
-   **[Related information](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/operational-technology/operational-technology-change-management/otcm-related-information.md)**  
Find more information about the OT extension classes and related applications.

**Parent Topic:**[Operational Technology Change Management](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/operational-technology/operational-technology-change-management/operational-technology-change-management-landing-page.md)