Montreal Amendment
E247835
The Montreal Amendment is a 1997 update to the Montreal Protocol that strengthened global controls on ozone-depleting substances by introducing stricter phase-out schedules and a licensing system for their trade.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Montreal Amendment canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2242694 — 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: Montreal Amendment Context triple: [Montreal Protocol on Substances that Deplete the Ozone Layer, hasAmendment, Montreal Amendment]
-
A.
Weeks–McLean Act amendments
The Weeks–McLean Act amendments were legislative changes enacted in the early 20th century to strengthen federal protection and regulation of migratory birds in the United States.
-
B.
Meech Lake Accord
The Meech Lake Accord was a failed set of Canadian constitutional amendments from the late 1980s that sought to persuade Quebec to formally endorse the Constitution by recognizing it as a "distinct society" and adjusting federal-provincial powers.
-
C.
Paris Act of 1971
The Paris Act of 1971 is a major revision of the Berne Convention that modernized and expanded international copyright protection, particularly for developing countries and new forms of creative works.
-
D.
Charlottetown Accord
The Charlottetown Accord was a proposed 1992 package of Canadian constitutional reforms that sought to address Quebec’s status and broader federal-provincial relations but was ultimately rejected in a national referendum.
-
E.
Hague Revision Act
The Hague Revision Act is an international agreement that updated and amended the Paris Convention for the Protection of Industrial Property to modernize and harmonize global rules on industrial property rights.
- 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: Montreal Amendment Target entity description: The Montreal Amendment is a 1997 update to the Montreal Protocol that strengthened global controls on ozone-depleting substances by introducing stricter phase-out schedules and a licensing system for their trade.
-
A.
Weeks–McLean Act amendments
The Weeks–McLean Act amendments were legislative changes enacted in the early 20th century to strengthen federal protection and regulation of migratory birds in the United States.
-
B.
Meech Lake Accord
The Meech Lake Accord was a failed set of Canadian constitutional amendments from the late 1980s that sought to persuade Quebec to formally endorse the Constitution by recognizing it as a "distinct society" and adjusting federal-provincial powers.
-
C.
Paris Act of 1971
The Paris Act of 1971 is a major revision of the Berne Convention that modernized and expanded international copyright protection, particularly for developing countries and new forms of creative works.
-
D.
Charlottetown Accord
The Charlottetown Accord was a proposed 1992 package of Canadian constitutional reforms that sought to address Quebec’s status and broader federal-provincial relations but was ultimately rejected in a national referendum.
-
E.
Hague Revision Act
The Hague Revision Act is an international agreement that updated and amended the Paris Convention for the Protection of Industrial Property to modernize and harmonize global rules on industrial property rights.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
international environmental agreement amendment
ⓘ
treaty amendment ⓘ |
| aimsTo |
accelerate phase-out of ozone-depleting substances
ⓘ
ensure better monitoring of controlled substances ⓘ prevent illegal trade in ozone-depleting substances ⓘ |
| appliesTo |
Montreal Protocol on Substances that Deplete the Ozone Layer
ⓘ
surface form:
Montreal Protocol
|
| belongsToRegime | international ozone regime ⓘ |
| category |
climate and ozone governance instrument
ⓘ
environmental law ⓘ |
| dateAdopted | 1997-09-17 ⓘ |
| depositedWith | Secretary-General of the United Nations ⓘ |
| enteredIntoForceForFirstParties | 1999 ⓘ |
| establishedRequirement |
Parties must report licensing data to the Secretariat
ⓘ
each Party must operate a licensing system for exports of new, used, recycled and reclaimed controlled substances ⓘ each Party must operate a licensing system for imports of new, used, recycled and reclaimed controlled substances ⓘ |
| geographicalScope | global ⓘ |
| hasMechanism | licensing and reporting system for controlled substances ⓘ |
| hasObjective | protection of the stratospheric ozone layer ⓘ |
| introduced |
licensing system for export of controlled substances
ⓘ
licensing system for import of controlled substances ⓘ licensing system for trade in controlled ozone-depleting substances ⓘ |
| language |
Arabic
ⓘ
Chinese ⓘ English ⓘ French ⓘ Russian ⓘ Spanish ⓘ |
| legalStatus | binding on Parties that have ratified it ⓘ |
| namedAfter | Montreal ⓘ |
| partOf | Montreal Protocol on Substances that Deplete the Ozone Layer ⓘ |
| placeAdopted |
Montreal
ⓘ
surface form:
Montreal, Canada
|
| policyType |
environmental regulation
ⓘ
multilateral environmental agreement ⓘ |
| relatedTo |
Beijing Amendment
ⓘ
surface form:
Beijing Amendment to the Montreal Protocol
Copenhagen Amendment to the Montreal Protocol ⓘ London Amendment to the Montreal Protocol ⓘ |
| strengthened |
controls on ozone-depleting substances
ⓘ
phase-out schedules for ozone-depleting substances ⓘ |
| subject |
international trade in controlled substances
ⓘ
ozone layer protection ⓘ ozone-depleting substances ⓘ |
| targets |
ozone-depleting substances consumption
ⓘ
ozone-depleting substances production ⓘ ozone-depleting substances trade ⓘ |
| underAuspicesOf | United Nations Environment Programme ⓘ |
| yearAdopted | 1997 ⓘ |
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: Montreal Amendment Description of subject: The Montreal Amendment is a 1997 update to the Montreal Protocol that strengthened global controls on ozone-depleting substances by introducing stricter phase-out schedules and a licensing system for their trade.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.