---
title: Default state field policies in base system change models
description: The Change Management - Change Model Foundation Data plugin \(com.snc.change\_management.change\_model.foundation\) includes state field policies for the base system change models. All default policies make fields mandatory only.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/it-service-management/change-management/default-state-field-policies.html
release: australia
product: Change Management
classification: change-management
topic_type: reference
last_updated: "2026-09-29"
reading_time_minutes: 1
keywords: [default state field policies, change model, mandatory fields, base system, change request]
breadcrumb: [State field policies for change models, Create a Change model, Configure, Change Management, IT Service Management]
---

# Default state field policies in base system change models

The Change Management - Change Model Foundation Data plugin \(com.snc.change\_management.change\_model.foundation\) includes state field policies for the base system change models. All default policies make fields mandatory only.

To view, edit, or deactivate these policies, go to the State Field Policies related list on the model state record. To add or modify policies, see [Add state field policies to a change model state](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-service-management/change-management/define-state-field-policies.md).

|State|Mandatory fields|
|-----|----------------|
|Normal|
|Assess|**Assignment group**|
|Authorize|**Assignment group**|
|Scheduled|**Assignment group**|
|Implement|**Assignment group**|
|Review|**Assignment group**|
|Closed|**Assignment group**, **Close code**, **Close notes**|
|Standard|
|Scheduled|**Assignment group**|
|Implement|**Assignment group**|
|Review|**Assignment group**|
|Closed|**Assignment group**, **Close code**, **Close notes**|
|Emergency|
|Authorize|**Assignment group**|
|Scheduled|**Assignment group**|
|Implement|**Assignment group**|
|Review|**Assignment group**|
|Closed|**Close code**, **Close notes**|
|Unauthorized Change|
|Review|**Assignment group**|
|Authorize|**Assignment group**, **Configuration item**, **Short description**, **Description**|
|Closed|**Assignment group**, **Close code**, **Close notes**|
|Change Registration|
|Review|**Assignment group**|
|Closed|**Assignment group**, **Description**, **Close code**, **Close notes**|
|Canceled|**Description**|
|Cloud Infrastructure|
|Authorize|**Assignment group**|
|Closed|**Configuration item**, **Short description**, **Planned start date**, **Planned end date**, **Close code**, **Close notes**|

**Parent Topic:**[State field policies for change models](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-service-management/change-management/state-field-policies-change-models.md)

**Related topics**  


[State field policies for change models](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-service-management/change-management/state-field-policies-change-models.md)

[Add state field policies to a change model state](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/it-service-management/change-management/define-state-field-policies.md)