De or het procedureregeling?

The correct Dutch article is:

de procedureregeling

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

How to use procedureregeling

the procedureregelingde procedureregeling
this procedureregelingdeze procedureregeling
that procedureregelingdie procedureregeling
our procedureregelingonze procedureregeling
your procedureregelingjouw procedureregeling
every procedureregelingelke procedureregeling
which procedureregeling?welke procedureregeling?
a big procedureregeling / the big procedureregelingeen grote procedureregeling, de grote procedureregeling