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Internship application form

Please note that the application period for the internship period July to September 2026 is currently open, with an application deadline of 31 December 2025.

The following criteria are used to determine eligibility for the internship programme. Applications from candidates who do not meet these requirements will not be considered.

Applicants should:

  • have completed at least three years of university studies;
  • normally be engaged in a degree-granting or postgraduate course at the time of application and also during their internship, or be a recent graduate;
  • normally not be more than 32 years of age;
  • have a good command of English and/or French; and
  • have an interest in international law, in particular international law of the sea, international affairs or international institutions and organizations.

The data provided with this application will be maintained purely for the purpose of evaluating your application and will not be transferred to third parties.

Applications should be sent to the Tribunal to meet the deadlines below:

Internship period
January to March: application to be submitted by 30 June of previous year
April to June: application to be submitted by 30 September of previous year
July to September: application to be submitted by 31 December of previous year
October to December: application to be submitted by 31 March of the same year

Please note that the file size is limited to 1MB per upload.