De or het registratiebelasting?

The correct Dutch article is:

de registratiebelasting

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

How to use registratiebelasting

the registratiebelastingde registratiebelasting
this registratiebelastingdeze registratiebelasting
that registratiebelastingdie registratiebelasting
our registratiebelastingonze registratiebelasting
your registratiebelastingjouw registratiebelasting
every registratiebelastingelke registratiebelasting
which registratiebelasting?welke registratiebelasting?
a big registratiebelasting / the big registratiebelastingeen grote registratiebelasting, de grote registratiebelasting