; and (ii) are determined to be eligible under such standards; and (B) ensure that access for such individuals is based on the use of credentials non-Department of Defense personnel already possess, to the extent practical. (3) Upon publication in the Federal Register of final regulations to carry out paragraph (1), the Secretary shall publish the standards set forth therein on a publicly accessible Internet website of the Department of Defense. (4) In carrying out this subsection, the Secretary shall seek to procure and field existing identification screening technology (including technology to enable the Secretary to validate other Federally recognized access credentials) and develop additional technology only to the extent necessary to assist commanders of military installations in the United States in implementing the standards under paragraph (1) at points of entry for such installations. (b) Pre-Arrival registration and screening protocol for access to military installations in United States The Secretary shall ensure that the standards under subsection (a) include a protocol for the voluntary pre-arrival registration and screening of individuals anticipating a need for access to a military installation in the United States, to establish the fitness and purpose of such individual with respect to such access. Under such protocol— (1) such a screening shall occur not less than 24 hours, and not more than 14 days, prior to the initial time of such access; and (2) if an individual is determined fit to enter the installation for a specified period of time pursuant to the pre-arrival registration and screening, access may only be granted upon arrival at the military installation during such period of time and for the purpose so established, following a verification of the identity of the individual