Interpretation of Customary International Law: Methods, Interpretative Choices and the Role of Coherence 2nd TRICI-Law Conference, co-organised with the PluriCourts Centre and the University of Groningen’s Department of Transboundary Legal Studies, 25-26 November 2021, The Hague

(*online or hybrid arrangements may be required due to the COVID pandemic).

The TRICI-Law project is excited to announce its call for papers for its upcoming conference. The deadline for the submission of abstracts is 18 April 2021. Applicants will be informed of the selection committee’s decision no later than 10 May 2021. More information can be found here.

This conference addresses the methods international judges from all branches of international law use to interpret rules of customary international law (CIL).

The methods applied to interpret CIL are varied and contested. International courts and tribunals (ICs) have often engaged in interpretation of CIL, using such means as teleological or systemic interpretation. Too little has been done to systematically explore these and other methods.

The conference has three main themes: i) methods of interpretation of customary international law; ii) variation of interpretative choices across international courts and tribunals; and iii) coherence as an approach or goal in the context of interpretation of customary international law. Participants are invited from several legal professions – scholars, judges and lawyers – including senior and junior researchers.  


The conference is sponsored by the TRICI-law project and by the PluriCourts Centre.

The Conference is co-organised by the ERC project on ‘The Rules of Interpretation of Customary International Law’ (TRICI-Law project, University of Groningen), the PluriCourts Centre on the legitimacy of the global judiciary, at the University of Oslo and the Department of Transboundary Legal Studies of the University of Groningen. This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 Research and Innovation Programme (Grant Agreement No. 759728).  PluriCourts is funded by the Research Council of Norway, project number 223274.

Photo ID 110330. 01/01/1993. The Hague, Netherlands. UN Photo/Andrea Brizzi.

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