- 1996 passed Proposition 215 https://en.wikipedia.org/wiki/1996_California_Proposition_215
- 2009 Oakland became the first U.S city to put a tax on marijuana
- 2016 passed Proposition 64
- 2018 Started recreational cannabis sales.
California uses METRC for their Track-and-Trace
Five Steps for Using the Track-and-Trace System: https://cannabis.ca.gov/wp-content/uploads/sites/13/2018/09/Track-and-Trace-5-Step-Sheet-Compliant.pdf
Frequently Asked Questions About the Track-and-Trace System: https://cannabis.ca.gov/wp-content/uploads/sites/13/2018/09/FAQ_CCTT_8.15.18.pdf
These are the state agencies overseeing the Cannabis industry in California