High Quality Content by WIKIPEDIA articles! California`s "Shine the Light" law (CA Civil Code § 1798.83) is a privacy law passed by the California State Legislature in 2003. It became an active part of the California Civil Code on January 1, 2005. It is considered one of the first attempts by a state legislature in the United States to address the practice of sharing customers` personal information for marketing purposes, also known as "list brokerage." The law outlines procedures requiring companies to disclose upon the request of a California resident what personal information has been shared with third parties, as well as the parties with which the information has been shared. The law also outlines specific language that companies who do business with California residents must include in their online privacy policies.