When merchants indicator a deal by using a payment processor, they comply with be subject to fines when they are unsuccessful to keep up PCI DSS compliance. Formally attest your compliance. An AOC (attestation of compliance) is the shape you use to signal that you simply’ve accomplished PCI DSS compliance. https://www.nathanlabsadvisory.com/blog/nathan/how-to-get-pci-dss-certification-in-saudi-arabia-fast/