De or het concurrentiebeperking?

The correct Dutch article is:

de concurrentiebeperking

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

How to use concurrentiebeperking

the concurrentiebeperkingde concurrentiebeperking
this concurrentiebeperkingdeze concurrentiebeperking
that concurrentiebeperkingdie concurrentiebeperking
our concurrentiebeperkingonze concurrentiebeperking
your concurrentiebeperkingjouw concurrentiebeperking
every concurrentiebeperkingelke concurrentiebeperking
which concurrentiebeperking?welke concurrentiebeperking?
a big concurrentiebeperking / the big concurrentiebeperkingeen grote concurrentiebeperking, de grote concurrentiebeperking