De or het rentebeslissing?

The correct Dutch article is:

de rentebeslissing

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

How to use rentebeslissing

the rentebeslissingde rentebeslissing
this rentebeslissingdeze rentebeslissing
that rentebeslissingdie rentebeslissing
our rentebeslissingonze rentebeslissing
your rentebeslissingjouw rentebeslissing
every rentebeslissingelke rentebeslissing
which rentebeslissing?welke rentebeslissing?
a big rentebeslissing / the big rentebeslissingeen grote rentebeslissing, de grote rentebeslissing