Computerized system validation (CSV) is the documented process of assuring that a computerized system does exactly what it is designed to do in a consistent and reproducible manner.The validation process begins with the system proposal/requirements definition and continues until system retirement and retention of the e-records based on regulatory rules Computerized system validation (CSV) is the documented process of assuring that a computerized system does exactly what it is designed to do in a consistent and reproducible manner.The validation process begins with the system proposal/requirements definition and continues until system retirement and retention of the e-records based on regulatory rules Documented system requirements are required for CSV as they clearly stipulate the intended use of a computer system application. System requirements are gathered and documented in the system definition phase. System definition artifacts that reflect these requirements can include, but are not limited to, the following: Guidance Compliance Regulatory Information