Netherlands - 2013 Party Finance Law

Title Article 4
Chapter ? 1. General provisions
Article

4

1. A political party may designate one institution for foreign activities as a subsidiary institution. An institution for foreign activities may not be designated by more than one political party and the institution must accept the designation in writing. The party shall inform Our Minister, in writing, as to the designation and acceptance thereof by the institution.
2. In order that an institution for foreign activities may be designated as a subsidiary institution, the institute is required to be a legal person which, exclusively or principally, carries out political-scientific activities aimed at the support of sister parties and organizations in countries other than The Netherlands in training and educational activities.

Categories - Extra-parliamentary party (Organizational structure)
Source https://zoek.officielebekendmakingen.nl/stb-2013-93.html