Reviewed case brief
Gabcikovo-Nagymaros Project (Hungary v Slovakia)
ICJ Reports 1997, p 7
## Summary
- Court
- International Court of Justice
- Year
- 1997
- Subjects
- Public International Law
- Reviewed
- 2026-06-18
Rule established
A party cannot unilaterally terminate a treaty on grounds of necessity or fundamental change of circumstances unless strict customary law conditions are met; the treaty continues unless lawfully terminated.
Facts
Issues
Held
Ratio decidendi
How to use it in an exam
Editorial source
ICJ Reports 1997, p 7; verified via ICJ database
Educational summary only. Read the reported judgment or an authorised law report before relying on the case professionally.