De or het stemadviescommissie?

The correct Dutch article is:

de stemadviescommissie

Rule Words ending in -tie and -sie: almost always de. See the rule

How to use stemadviescommissie

the stemadviescommissiede stemadviescommissie
this stemadviescommissiedeze stemadviescommissie
that stemadviescommissiedie stemadviescommissie
our stemadviescommissieonze stemadviescommissie
your stemadviescommissiejouw stemadviescommissie
every stemadviescommissieelke stemadviescommissie
which stemadviescommissie?welke stemadviescommissie?
a big stemadviescommissie / the big stemadviescommissieeen grote stemadviescommissie, de grote stemadviescommissie