Introduction -- Regulations, standards, and guidelines -- Terminology and validation overview -- Risk-based validation and qualification -- Master and project planning for equipment and computer systems -- Design qualification -- Installation qualification -- Operational qualification -- Performance qualification and maintenance -- Special considerations for software and computer systems -- Validation of analytical methods -- Data review and validation and evaluation of uncertainty -- Handling out-of-specification situations -- (Certified) reference standards -- People -- Proficiency testing for external laboratory qualification -- Audits.