Type
Title
Date
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February 5, 2024 Documents & Resources International FIPS Codes
Lists all International FIPS Codes and addresses for both Foreign Reciprocating and Foreign Treaty countries with one or more child support offices handling intergovernmental cases as of 11/22/2019. -
January 8, 2026 5-Minute Overview What is the Intergovernmental Reference Guide (IRG)?
The Office of Child Support Services (OCSS) Intergovernmental Reference Guide (IRG) offers states, tribes, and other partners an effective and […] -
December 24, 2025 Help & How To How to Access and Use the Intergovernmental Reference Guide (IRG)
Step-by-Step on how to access information from the Intergovernmental Reference Guide (IRG).