The security test scheme includes a set of test requirements whose satisfaction by the merchant entity is sufficient to ensure compliance with {HEAD ~ a multiple sets} of {TAIL ~ security requirements} defined by multiple payment processing organizations 
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The security test scheme includes a set of test requirements whose satisfaction by the merchant entity is sufficient to ensure compliance with { HEAD ~ a multiple sets } of { TAIL ~ security requirements } defined by multiple payment processing organizations
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH