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CIS2 - Central Index System 2 (CIS2) - Repository of Immigration Benefits and Enforcement Encounter Data

Published by Unspecified | Department of Homeland Security | Metadata Last Checked: February 09, 2026 | Last Modified: 2026-02-05T23:13:25-05:00
The Central Index System 2 (CIS2) supports the collection and dissemination of biographic and historical information on the status of over 96.8 million immigration benefit applicants and beneficiaries, and enforcement encounters.Historical biographic and status information migrated from CIS mainframe to CIS2 on 12/16/2018 is also available in the CIS2 database.

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