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Fiscal Service IPAC System

We answer e-mails Monday - Friday. Normal business hours Eastern time, except federal holidays.

Treasury Support Center

Monday – Friday
7:00a.m. — 8:00p.m. Eastern Time, except federal holidays 1-877-440-9476 1-314-444-7346 (fax)

Our Treasury Support Center agents can help you with IPAC questions and problems about many topics, including:

  • Making sure your computer system meets the requirements for IPAC
  • Setting up a multifactor account (PIV/CAC,
  • Becoming a new IPAC user
  • Modifying an existing IPAC user account
  • Logging into IPAC
  • Other questions and needs related to IPAC

If they can't answer your questions immediately, our Treasury Support Center agents will contact the following IPAC support groups for you. The agent will track and follow up for you to ensure a timely response.

Intragovernmental Transaction & Reconciliation Branch (ITRB)

This team provides answers to more complex questions related to IPAC business rules and process special business requests and IPAC maintenance.

IPAC Cash and Agency Support Branch (CASB)

This team will provide IPAC Production Support when technical problems arise which require additional support. They also provide project management and oversight functions for IPAC.

If an issue with the IPAC system is identified and requires corrective action through a system change or modification, the IPAC Cash and Agency Support Branch (CASB) would coordinate the action and let you know about any changes.

The level of support provided by the TSC is closely monitored to ensure call center industry standards are met or exceeded. The goals of the TSC in supporting the IPAC customer help structure are to promptly resolve issues while providing exceptional customer service.

After calling the TSC, you may be selected to receive a survey to provide feedback on your experience, and we urge you to respond candidly.

Last modified 09/18/23