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Child Support Business Online Services (CSBOS) 133-02140000



This document outlines the features of Child Support Business Online Services (CSBOS). CSBOS is a secure way for employers and financial institutions to access a range of services online.

Unable to enrol new organisations

Due to system stability issues no new enrolments can occur for CSBOS. CSBOS is restricted to employers and financial institutions who have already enrolled in this service.

Employers can use CSBOS to:

  • send and receive secure electronic messages
  • view and print most Child Support letters and notices
  • manage sub-users
  • submit employee deductions
  • view previous pay date details sent in and use them as a record of the information already provided if submitted via CSBOS
  • tell Services Australia of any variation between the scheduled deduction and the actual amount deducted and the reason for those differences
  • complete a Confirmation of a Person's Employment (EF1) form

Services available for financial institutions

Financial institutions can use CSBOS to:

  • send and receive secure messages
  • view and print most Child Support letters and notices
  • manage sub-users
  • respond to section 120/161 request for information notices
  • respond to section 72A garnishee notices and section 72A withdrawal notices

The Resources page contains links to contact details, CSBOS user guides for employers and financial institutions, and mySupport.

Employer withholding (linking) for Child Support customers