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CARS
Central Accounting Reporting System

Getting Started with CARS

A CARS user must have a supervisor who is already enrolled in CARS.

Enrolling as a Supervisor

To enroll as a CARS Supervisor:

  1. Download, fill out, and sign the Enrollment Request Form - Supervisor
  2. Send the form to us by email or fax:

If you have questions, call the Treasury Support Center: 1-877-440-9476


After we process your form, you will get 4 emails from TWAI User Provisioning. They will give you your:

  • ID
  • Temporary password
  • Assigned module and role
  • The status of Supervisor

Enrolling as a User or changing your access to CARS

If your supervisor is enrolled in CARS, you may become a CARS User or change your access to CARS. You do this through the ISIM Self-Service website at https://isim.fiscal.treasury.gov/itim/self.

For more information

Last modified 01/22/20