De or het cao-bepaling?

The correct Dutch article is:

de cao-bepaling

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

How to use cao-bepaling

the cao-bepalingde cao-bepaling
this cao-bepalingdeze cao-bepaling
that cao-bepalingdie cao-bepaling
our cao-bepalingonze cao-bepaling
your cao-bepalingjouw cao-bepaling
every cao-bepalingelke cao-bepaling
which cao-bepaling?welke cao-bepaling?
a big cao-bepaling / the big cao-bepalingeen grote cao-bepaling, de grote cao-bepaling