Omnitracs Tax Manager Integrated Tax Reporting and Deducting Integrated Tax Reporting and Deducting Efficiently Maximize IFTA and Fuel-tax Deductions. Utilize fleet telematics and fuel purchase data collection to efficiently maximize IFTA and fuel-tax deductions. With Omnitracs Tax Manager, you can:Stop overpaying on taxesEliminate the risk of penalties, overpayments, and human errorGive time back