In 2006 Congress reauthorized the Voting Rights Act, which was signed into law by President George W. Bush. The 2006 reauthorization provided instruction to the U.S. Census Bureau to use the American Community Survey and other compatible census data when determining which voting jurisdictions must provide translated election materials.
Reauthorization of the Act also included instructed that the U.S. Census Bureau produce language support determinations every five years (as opposed to the previous requirements of ten year determinations).
Orange County must provide bilingual support in Spanish, Chinese, Korean and Vietnamese in compliance with federal law.