De or het ventvergunning?

The correct Dutch article is:

de ventvergunning

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

How to use ventvergunning

the ventvergunningde ventvergunning
this ventvergunningdeze ventvergunning
that ventvergunningdie ventvergunning
our ventvergunningonze ventvergunning
your ventvergunningjouw ventvergunning
every ventvergunningelke ventvergunning
which ventvergunning?welke ventvergunning?
a big ventvergunning / the big ventvergunningeen grote ventvergunning, de grote ventvergunning