The "General CLS Model Concept" outlines a framework for the Clause Logic Service (CLS) designed to standardize and streamline clause management for federal acquisitions. Central to this model is Acquisition.gov, which will serve as the primary source for authoritative content related to FAR-based contracts, providing data in XML or XHTML formats via a web API. The system will feature a Clause Repository to store clauses for 100 years with unique identifiers, facilitating document traceability. Each instance document will include critical elements such as clause lists, content tailored for solicitions, and metadata restrictions, paralleling version control systems like GitHub for document management. The Business Rules Engine operates separately for modularity, applying logic to generate appropriate clause lists for specific documents while maintaining an audit trail of changes. The application interface will ensure Section 508 compliance and facilitate interaction primarily with modern Contract Writing Systems (CWSs), emphasizing data reuse and real-time updates. Industry partners will also engage with the CLS through a solicitation module, ensuring equal access to clause versions. The CLS is set to cater to both connected and disconnected operational environments within the Department of Defense, thus ensuring consistent clause management across various contracting scenarios.