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A biometric identifier is

a technology that enables the automated identification, or verification of the identity, of an individual based on biometric information.[1]
[a] retinal pattern, fingerprint, or other anatomical feature that can be used by a computer program (along with appropriate interface equipment) to positively identify a user.[2]


  1. 49 U.S.C. § 44903(h)(7)(B).
  2. Bringing Health Care Online: The Role of Information Technologies, at 216. See also Illinois Biometric Information Privacy Act, Illinois Biometric Information Privacy Act, 740 Ill. Comp. Stat. 14/10.