Assemblyman Kevin de Leon, D-Los Angeles, is backing a bill to require people who sell handgun ammunition to be licensed. It would also require sellers to conduct business face-to-face, bar Internet and mail-order sales, and require a thumbprint and other identifying information of people who buy ammo.
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2009/04/21/BARD176263.DTL&hw=ammunition&sn=006&sc=289
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2009/04/21/BARD176263.DTL&hw=ammunition&sn=006&sc=289