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Provides answers to questions that arose during Release 13-01 conference calls to discuss the Manifest and Specifications

Describes the DIS, e-IWO, FCR, FOP, IM, IRG and QUICK enhancements for implementation in January 2013

System-to-System Interface Option for States and Employers

e-IWO Software Interface Specification
June 6, 2018

Provides a processing overview and technical specifications for the electronic transmission of income withholding information

e-IWO Record Layouts

Version 4.0
March 20, 2024

Provides the universal record layouts for the e-IWO system