Washington

The LCB provides a central list for resources here: https://lcb.wa.gov/laws/labeling-resources and the law is defined in WAC 314-55-105.

The State provides two symbols that must be used:

Symbol:

And

California

Here: https://www.cdph.ca.gov/Programs/CEH/DFDCS/MCSB/Pages/PackagingandLabelingFAQs.aspx

Resources for Licenses: https://www.cdph.ca.gov/Programs/CEH/DFDCS/MCSB/Pages/ResourcesforLicensees.aspx

Universal Symbol:

Colorado

The CDPHE has adopted this icon

Documented here: https://www.colorado.gov/pacific/sites/default/files/IB%2018-04%20Universal%20Symbol%20Rules.pdf

https://www.colorado.gov/pacific/marijuana/responsible-use

Symbol: Retail:

Nevada

Laws are here: https://www.leg.state.nv.us/nac/nac-453a.html Specifications here: https://tax.nv.gov/uploadedFiles/taxnvgov/Content/Meetings/Packaging%20and%20Labeling%20of%20Marijuana%20and%20Marijuana%20Products%20and%20Advertising%20v.%203.pdf

Symbol: None

Oregon

State provided guidance here: https://www.oregon.gov/olcc/marijuana/pages/packaginglabelingpreapproval.aspx

Symbol: None