Control Objective 1: PINs used in transactions governed by these requirements are processed using equipment and methodologies that ensure they are kept secure – PCI PIN Security
PCI PIN Security 3-1: PCI PIN 3-1
PIN blocks transmitted from the point of entry to the issuer use ISO 9564 format 0, 1, 3 or 4.
Other controls in Control Objective 1: PINs used in transactions governed by these requirements are processed using equipment and methodologies that ensure they are kept secure – PCI PIN Security