https://www.edd.ca.gov/about_edd/coronavirus-2019/cares-act.htm
"If you run out of benefits within the benefit year, we will automatically file a PEUC extension on your regular unemployment claim. A benefit year is the 12-month period from the start of your claim. You should receive a text message verifying that we filed your extension and a notice in the mail within 5-7 days. You should also monitor your UI Online account for updates and to certify for benefit payments."