De or het curatelestelling?

The correct Dutch article is:

de curatelestelling

Rule Words ending in -ing: almost always de. See the rule

How to use curatelestelling

the curatelestellingde curatelestelling
this curatelestellingdeze curatelestelling
that curatelestellingdie curatelestelling
our curatelestellingonze curatelestelling
your curatelestellingjouw curatelestelling
every curatelestellingelke curatelestelling
which curatelestelling?welke curatelestelling?
a big curatelestelling / the big curatelestellingeen grote curatelestelling, de grote curatelestelling