EMV in transit: What are these 'EMV Level 1, 2, 3' certifications?

 blog.ul-ts.com/posts/emv-in-t…

When it comes to EMV in transit certifications, it is often unclear what certifications apply, which parties have which role to obtain the certifications, what the certification requirements are, how long the process takes, when a re-certification is required, and which are the typical certification pitfalls.

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