With a total $35.7 million in lobbyist spending in 2011, health care turned out to be the largest lobbying interest of any industry in California. A proposed ballot initiative by consumer advocates would prohibit insurers from passing on lobbying costs to consumers. The ballot measure, proposed by Consumer Watchdog Campaign, would require health insurance companies to publicly justify rate hikes under penalty of perjury, and get approval for increases before they take effect reports the Sacramento Bee.