The Performance Work Statement (PWS) outlines a Fixed Price Performance-Based Acquisition for Contractor support to the Counsel Automated Legal Systems (CALS) under the Internal Revenue Service's Office of Chief Counsel (OCC). The project includes managing various CALS applications designed to facilitate legal operations, such as CASE-MIS for workload management, CCMACROS for document generation, and eTCS for electronic document service to Tax Courts. The scope involves routine operational support, application maintenance, project management, and integration testing. Key tasks include conducting orientation briefings, knowledge transfer, managing operational maintenance, supporting application integration, and performing system acceptance testing. The contractor must ensure compliance with federal regulations and security standards while adapting to software upgrades and tax law changes. The PWS stipulates adherence to performance metrics, desired outcomes, and quality standards, with evaluations through the Quality Assurance Surveillance Plan. The anticipated duration of the task order is four years, with options for renewal, highlighting the ongoing need for technical support in government legal processes. This RFP represents the government's commitment to leveraging technology for improved legal service efficiency and regulatory compliance.