URS (User Requirements Specification)

Definition

A User Requirements Specification is a document that defines what a system, such as an EBR or MES, must be able to do functionally, from the perspective of the end users and business needs. The URS serves as the foundational document that subsequent system validation activities are measured against.

Benefits

A clear, well-defined URS developed early in an EBR implementation prevents costly rework later, since it establishes upfront exactly what the system needs to accomplish, informing both vendor selection and the scope of validation testing.

Use Case

Before selecting an EBR vendor, a manufacturer's cross-functional team such as quality, IT, and production, develops a detailed URS specifying required functionality, such as automated deviation flagging and integration with existing LIMS and ERP systems, which is then used to evaluate competing vendor proposals.

Frequently Asked Questions (FAQ)

Related Terms

• Computer System Validation (CSV) / CSA
• System Validation Lifecycle