For Merchants, there are essentially four (4) levels that any organization may fall into regarding compliance. If you fall into the Level 1 category, then be prepared to have an actual on-site Payment Card Industry Data Security Standards (PCI DSS) assessment conducted. The same can be said for Service Providers who have been identified as a Level 1.

Follow these helpful links for learning all you need to about about the varying levels of compliance and what their specific requirements are:

Merchant Levels

Service Provider Levels