Frequently Asked Question

The PA-DSS Program Guide says application version numbers may consist of a combination of fixed and variable alphanumeric characters. What does this mean?

Application version numbers may consist of any combination of alphanumeric characters to create a unique version, discernible from other versions of that payment application, based on the vendor's versioning methodology. The version number can be any length and can be segmented to represent different types or categories of changes.
Last updated: May 2015
Article Number: 1183

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