Child Support Services Division
Online Payment Portal
CSSD processes your payments as efficiently and quickly as possible. Payments made through the Online Payment Portal are sent to CSSD for processing after the funds have cleared your bank or are guaranteed by your credit card company. This could take a few days.
2023 Montana Tax Rebates
On March 13, 2023, House Bills 192 and 222 were signed into law by Governor Gianforte. These bills provide rebates to eligible Montana taxpayers for individual income taxes (HB189) and property taxes (B222) paid. These rebates will be subject to offset if there is an outstanding child support obligation. Additional tax rebate information from the Montana Department of Revenue.
New Interactive Phone System
To better serve the citizens of Montana CSSD is using a new phone system. The new phone system allows individuals to receive general CSSD information, including payment and account balances, as well as the ability to speak to a case worker directly and an option to answer a short customer satisfaction survey. For all CSSD calls, please call 1-800-346-5437.
Child Support For Disabled Adult Children
CSSD can collect support for disabled adult children under certain circumstances. Child Support For Disabled Adult Children Fact Sheet
Check out the Child Support Services Division on Social Media
Follow us on 
for more information about child support and the Child Support Services Division.