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Explains actions private employers and federal agencies must take when an employee is terminated or rehired

Template for organization to submit multiple Federal Employer Identification Numbers (FEIN) during the registration process

e-NMSN Software Interface Specification (Updated)

Version 1.6
January 31, 2022

Provides software interface specification of an electronic version of the National Medical Support Notice for the employer

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

No-Programming Option for Employers

e-IWO Software Interface Specifications
July 3, 2012

Provides e-IWO specifications and an electronic version of the IWO for the employer no-programming option

Statutes and regulations authorizing income withholding allocation among multiple child support orders against one parent

Description of SSA's on-line tool for verifying the employee's name and SSN combination

Steps to take if your employee is called up for active duty