De or het legesheffing?

The correct Dutch article is:

de legesheffing

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

How to use legesheffing

the legesheffingde legesheffing
this legesheffingdeze legesheffing
that legesheffingdie legesheffing
our legesheffingonze legesheffing
your legesheffingjouw legesheffing
every legesheffingelke legesheffing
which legesheffing?welke legesheffing?
a big legesheffing / the big legesheffingeen grote legesheffing, de grote legesheffing