25C - Transition to US Oracle Payroll Tax Engine (USOPTE)
Summary:
As part of Oracle's continuous product evolution and customer-focused innovation, a transition is currently underway from the previously used third-party payroll tax engine to the US Oracle Payroll Tax Engine (USOPTE). This post aims to summarize key details of this transition, highlight important considerations, and set expectations for payroll practitioners and system administrators.
Oracle has published a US OPTE Transition Plan June 2025 document, outlining key steps, testing strategies, and validation recommendations.
US OPTE - US Oracle Payroll Tax Engine
This document outlines a transition plan to migrate from the previous Third-Party Payroll Tax Engine to USOPTE. It includes legislative changes as well as customer requests. You can expect to encounter variances between the results generated by USOPTE and the previous payroll tax engine.