De or het auditafdeling?

The correct Dutch article is:

de auditafdeling

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

How to use auditafdeling

the auditafdelingde auditafdeling
this auditafdelingdeze auditafdeling
that auditafdelingdie auditafdeling
our auditafdelingonze auditafdeling
your auditafdelingjouw auditafdeling
every auditafdelingelke auditafdeling
which auditafdeling?welke auditafdeling?
a big auditafdeling / the big auditafdelingeen grote auditafdeling, de grote auditafdeling