De or het subsidievaststelling?

The correct Dutch article is:

de subsidievaststelling

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

How to use subsidievaststelling

the subsidievaststellingde subsidievaststelling
this subsidievaststellingdeze subsidievaststelling
that subsidievaststellingdie subsidievaststelling
our subsidievaststellingonze subsidievaststelling
your subsidievaststellingjouw subsidievaststelling
every subsidievaststellingelke subsidievaststelling
which subsidievaststelling?welke subsidievaststelling?
a big subsidievaststelling / the big subsidievaststellingeen grote subsidievaststelling, de grote subsidievaststelling