Cal. Gov. Code § 84606
The Secretary of State shall determine and publicly disclose when the online and electronic disclosure systems are operating effectively. In making this determination, the Secretary of State shall consult with the commission, the Department of Information Technology, and any other appropriate public or private entity. The online or electronic disclosure system shall not become operative until the Department of Information Technology approves the system. Upon this determination, filers required by this chapter to file online or electronically will no longer be required to file a paper copy or with local filing officers. Furthermore, the date that a filer transmits an online or electronic report shall be the date the filed report is received by the Secretary of State.
Ca. Gov. Code § 84606