[1] https://leginfo.legislature.ca.gov/faces/billTextClient.xhtml?bill_id=201920200AB2257
[2] https://www.calpeculiarities.com/2020/09/08/ab-2257-sweeping-changes-to-ab-5-independent-contractor-law
Sorry I can't help you more, but keep an eye out for any info on the webinars.