http://nij.gov/Documents/draft-baseline-specifications-for-law-enforcement-service-pistols-with-security-technology.pdf
The interesting parts revolve around "security device" designed to prevent unauthorized uses and disabling the gun when not used by unauthorized users. The security device must be a part of gun, but also including externally worn items such as rings, wristbands, or tokens.
The proposal is open for public input until Sept. 13
From: Engadget
