; and (B) the outreach conducted by the Secretary to inform such veterans of such benefits. 3. Establishment of K2 toxic exposure registry (a) Establishment of registry (1) In general Not later than one year after the date of the enactment of this Act, the Secretary of Veterans Affairs shall— (A) establish and maintain a registry for eligible individuals who may have been exposed to toxic substances at Karshi Khanabad Air Base, Uzbekistan, at any time during the period beginning October 1, 2001, and ending December 31, 2005; (B) include any information in such registry that the Secretary of Veterans Affairs determines necessary to ascertain and monitor the health effects of the exposure of members to such substances; (C) develop a public information campaign to inform eligible individuals about the registry, including how to register and the benefits of registering; and (D) periodically notify eligible individuals of significant developments in the study and treatment of conditions associated with such exposure. (2) Updates The Secretary shall take actions necessary to ensure that the registry may be updated with the cause of death of a deceased registered individual by— (A) an individual designated by such deceased registered individual