--- title: Cascade rules for cleaning data description: Cascade rules determine a thorough cleanup of the outdated data and its related counterparts at source from the system. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/employee-service-management/hr-service-delivery/cascade-rule-ta.html release: australia product: HR Service Delivery classification: hr-service-delivery topic_type: reference last_updated: "2026-09-10" reading_time_minutes: 1 breadcrumb: [Modify purge policies to clean up data, Configure, Hiring Experiences, HR Service Delivery, Employee Service Management] --- # Cascade rules for cleaning data Cascade rules determine a thorough cleanup of the outdated data and its related counterparts at source from the system. |Scenario|Outcome| |--------|-------| |A job requisition is deleted.|All the job applications for that job requisition are deleted.| |A job requisition is deleted.|All the job postings for that job requisition are deleted.| |A job requisition is deleted.|All the associated records within the hiring team for that job requisition are deleted.| |A job application is deleted.|All extracted skills associated with the job application are deleted.| |A job application is deleted.|All the details from the applicant profile are deleted.| **Parent Topic:**[Modify purge policies to clean up data](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/employee-service-management/hr-service-delivery/set-up-purge-pollicies-ta.md)