Assessment of the status of qualifications

hello

how long since the last qualification should be made ​​assessment of the status of qualifications

best regards

  1. Productivity & Quality outcome
    2.Deviations observed
    3.Change of major part of system or process.
    4.Change in regulations from Health authorities
    5.Risk approach management
    6.Period evaluation of Process and equipment as per predetermined schedules(As written in VMP or PQ documents)

All the above shall have their part on status of qualifications.

Thank you for your answer