DFARS
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The DAR Council is also responsible for maintenance of the DFARS Procedures, Guidance, and Information (PGI).
https://www.acq.osd.mil/dpap/dars/
This memo on cybersecurity https://www.acq.osd.mil/dpap/policy/policyvault/USA002524-20-DPC.pdf
lists a POC as Lt Col Bryan Lamb bryan.d.lamb.mil@mail.mil