Most PhD candidates in The Netherlands are employed at one of the 14 Dutch Universities where the Collective Labour Agreement NU (Collectieve Arbeidsovereenkomst, CAO in Dutch) applies. Many other PhD candidates are employed at one of the 8 Academical Medical Centers (Universiteit Medisch Centrum, UMCs in Dutch) to which the CAO-umc applies. Finally, a smaller group is employed at other research institutes and at for instance at the Dutch Organisation for Scientific Research (NWO) the CAO-OI is applicable.
Despite this, it is possible that in some cases PhD candidates are employed elsewhere, where not necessary one these CAOs applies. Therefore it is advisable to take notice of your respective CAO agreement before signing your contract,
For more information check the Dutch version of this page.