Upon a determination by the California Attorney General that the federal schedule of controlled substances has been amended to reclassify or declassify marijuana, the Legislature may amend or repeal the provisions of the Health and Safety Code, as necessary, to conform state law to such changes in federal law.
Source:
Section 11362.85, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=11362.85..