Lennon, E.
(2013),
ITL Updates Federal Information Processing Standard (FIPS) for Personal Identity Verification (PIV) of Federal Employees and Contractors, ITL Bulletin, National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=914914
(Accessed March 13, 2025)