What must QSAs do upon request from PCI SSC regarding their quality assurance practices?

The requirement for QSAs to provide their quality assurance manual upon request from the PCI Security Standards Council (PCI SSC) stems from the need for transparency and accountability in the assessment process. The quality assurance manual contains vital information about the methodologies, standards, and practices that QSAs use to ensure that their assessments are consistent, thorough, and compliant with PCI DSS.

This manual serves as a foundational document that outlines how QSAs maintain the integrity and quality of their assessment services. By requesting this document, the PCI SSC can evaluate whether the QSAs are adhering to the established standards and maintaining high-quality services as they work with organizations undergoing PCI DSS assessments. This ensures that all parties involved in payment card transactions have a reliable and sound process to safeguard the environments where cardholder data is processed.

While the other choices involve different aspects of QSA responsibilities, they do not pertain specifically to the documentation required for quality assurance practices. The other tasks, such as holding training sessions or sharing findings, while potentially important, are not mandated in the same manner as providing the quality assurance manual when specifically requested by PCI SSC.