How should instrumentation maintenance activities be documented to ensure data integrity across the asset lifecycle?

• A. Documentation is optional and can be kept on paper only with no backups.
• B. Use a CMMS or dedicated maintenance system to record work orders, calibrations, adjustments, test results, certificates, and asset history; ensure version control, audit trails, and regular backups.
• C. Use a generic word processor without version control.
• D. Logging is unnecessary as long as work is done.

Answer: (B)