California Proposition 64
E407392
California Proposition 64 is the 2016 ballot initiative that legalized recreational cannabis use for adults in California and established a regulated commercial marijuana market.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Adult Use of Marijuana Act | 1 |
| California Proposition 64 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4003267 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: California Proposition 64 Context triple: [Emerald Triangle, stateLegalContext, California Proposition 64]
-
A.
Emerald Triangle
The Emerald Triangle is a region in Northern California renowned as one of the most productive and historically significant cannabis-growing areas in the United States.
-
B.
California for All Women
California for All Women is an initiative led by the First Partner of California focused on advancing gender equity and improving the lives of women and girls across the state.
-
C.
California Bar
The California Bar is the state regulatory body responsible for licensing, overseeing, and disciplining attorneys who practice law in California.
-
D.
California Budget Act
The California Budget Act is the annual state law that authorizes and details California’s spending plan, appropriating funds for government programs and services for a given fiscal year.
-
E.
Fight for California
"Fight for California" is the traditional fight song of the University of California, Berkeley, celebrated at athletic events and other school gatherings.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: California Proposition 64 Target entity description: California Proposition 64 is the 2016 ballot initiative that legalized recreational cannabis use for adults in California and established a regulated commercial marijuana market.
-
A.
Emerald Triangle
The Emerald Triangle is a region in Northern California renowned as one of the most productive and historically significant cannabis-growing areas in the United States.
-
B.
California for All Women
California for All Women is an initiative led by the First Partner of California focused on advancing gender equity and improving the lives of women and girls across the state.
-
C.
California Bar
The California Bar is the state regulatory body responsible for licensing, overseeing, and disciplining attorneys who practice law in California.
-
D.
California Budget Act
The California Budget Act is the annual state law that authorizes and details California’s spending plan, appropriating funds for government programs and services for a given fiscal year.
-
E.
Fight for California
"Fight for California" is the traditional fight song of the University of California, Berkeley, celebrated at athletic events and other school gatherings.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
California ballot proposition
ⓘ
cannabis legalization measure ⓘ statewide initiative statute ⓘ |
| allows |
expungement of certain marijuana convictions
ⓘ
resentencing for certain prior marijuana offenses ⓘ |
| allowsHomeCultivationPlants | up to 6 cannabis plants per residence ⓘ |
| allowsPossessionAmount |
up to 28.5 grams of cannabis
ⓘ
up to 8 grams of concentrated cannabis ⓘ |
| alsoKnownAs |
California Proposition 64
ⓘ
surface form:
Adult Use of Marijuana Act
|
| appliesToJurisdiction |
California, United States
ⓘ
surface form:
State of California
|
| approvedByVoters | true ⓘ |
| codifiedIn |
California Business and Professions Code
ⓘ
California Health and Safety Code ⓘ |
| contains | criminal justice reform provisions ⓘ |
| country | United States of America ⓘ |
| earmarksRevenueFor |
environmental protection
ⓘ
law enforcement and public safety ⓘ substance use disorder treatment ⓘ youth programs ⓘ |
| electionDate | 2016-11-08 ⓘ |
| electionYear | 2016 ⓘ |
| establishes |
local control over cannabis business regulation
ⓘ
state licensing system for cannabis businesses ⓘ |
| imposesCultivationTax |
per ounce of cannabis flowers
ⓘ
per ounce of cannabis leaves ⓘ |
| imposesExciseTaxRate | 15% on retail cannabis sales ⓘ |
| inEffectFrom | 2016-11-09 ⓘ |
| legalizes | adult nonmedical cannabis use ⓘ |
| maintains |
employers’ rights to enforce drug-free workplace policies
ⓘ
local governments’ authority to ban cannabis businesses ⓘ |
| minimumAgeForUse | 21 years ⓘ |
| noVotePercentage | 42.87% ⓘ |
| opposedBy |
California Hospital Association
ⓘ
California Police Chiefs Association ⓘ |
| prohibits |
cannabis use in public places (with limited exceptions)
ⓘ
cannabis use while driving ⓘ open container of cannabis in a vehicle ⓘ |
| regulates |
commercial cannabis cultivation
ⓘ
commercial cannabis distribution ⓘ commercial cannabis manufacturing ⓘ retail sale of cannabis ⓘ |
| relatedTo |
California Proposition 215
ⓘ
medical marijuana regulation in California ⓘ |
| sponsor | Sean Parker ⓘ |
| subject |
recreational cannabis legalization
ⓘ
regulation of commercial cannabis ⓘ taxation of marijuana ⓘ |
| supportedBy |
California Democratic Party
ⓘ
Drug Policy Alliance ⓘ New Approach PAC ⓘ |
| yesVotePercentage | 57.13% ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: California Proposition 64 Description of subject: California Proposition 64 is the 2016 ballot initiative that legalized recreational cannabis use for adults in California and established a regulated commercial marijuana market.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Adult Use of Marijuana Act