PCI Security Standards Council, LLC, 401 Edgewater Place, Suite 600, Wakefield MA 01880
Payment Card Industry (PCI) Data Security Standard v.3.2.1 (May 2018); https://www.pcisecuritystandards.org/documents/PCI_DSS_v3-2-1.pdf
Payment Card Industry (PCI) Data Security Standard v.4.0 (March 2022); https://www.pcisecuritystandards.org/documents/PCI-DSS-v4_0.pdf
Ill. Admin. Code tit. 74, § 735.210