Last year, Gov. Davis signed new privacy legislation, S.B. 168, that prohibits California businesses from printing Social Security numbers on ID cards or badges and from requiring people to use a Social Security number to log onto a website without a password. To help businesses implement the new law, which took effect July 1, 2002, the California Office of Privacy Protection has published a free online guide, “Recommended Practices for Protecting the Confidentiality of Social Security Numbers.”