PCI Payment Application Data Security Standard (PCI PA-DSS)
If you are a payment software developer of integrator of commercialized payment applications which will be used in an environment that is subjected to PCI DSS compliance, you should consider assessing your payment application against the PCI Payment Application Data Security Standard (PCI PA-DSS). This standard was created to help software vendors develop secure payment applications to be sold, distributed or licensed to third parties.
Merchants are motivated to use PA-DSS validated payment applications in their payment environment to help with their PCI DSS compliance obligation and reduce cybersecurity risk.