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RRB / SSI Interface Checkwriting Integrated Computer Operation Extract File (CHICO)

Published by Social Security Administration | Social Security Administration | Catalog Last Checked: September 16, 2026 at 09:46 PM | Dataset Last Updated: January 08, 2018
This monthly file provides SSA with information about benefit payments made to railroad retirement beneficiaries. SSA uses this data to verify Supplemental Security Income (SSI) and Special Veterans Benefits (SVB) eligibility and payment amounts.

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