Payment Application Data Security Standard

Definition
The Payment Application Data Security Standard (PA-DSS) is a standard that applies to software vendors and others who develop payment applications that store, process, or transmit cardholder data as part of authorization or settlement, where these payment applications are sold, distributed, or licensed to third parties.

Source

 * Payment Card Industry (PCI), Payment Application Data Security Standard, Security Audit Procedures (Ver. 1.1) (Apr. 2008) (full-text)