CA AB1379

Requires online platforms that disseminate political advertisements to maintain and publicly disclose records including digital copies of ads, approximate views, spending information, and targeted audience details.

Mandates that online platforms' chief executive officer, chief financial officer, chief operating officer, or chief privacy officer personally certify under penalty of perjury that all political advertising targeting information has been correctly disclosed.

Requires online platforms with 10,000,000 or more unique monthly U.S. visitors that target political advertising to provide an application programming interface or technical capability enabling qualified third parties to conduct independent analysis of bias and unlawful discriminatory impact.

Applies to online platforms selling advertisements directly to advertisers and requires committees purchasing $500 or more in advertisements within 12 months to provide disclosure information to the platform.

Declares that the bill furthers the purposes of the Political Reform Act of 1974.