De or het salarisbetaling?

The correct Dutch article is:

de salarisbetaling

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

How to use salarisbetaling

the salarisbetalingde salarisbetaling
this salarisbetalingdeze salarisbetaling
that salarisbetalingdie salarisbetaling
our salarisbetalingonze salarisbetaling
your salarisbetalingjouw salarisbetaling
every salarisbetalingelke salarisbetaling
which salarisbetaling?welke salarisbetaling?
a big salarisbetaling / the big salarisbetalingeen grote salarisbetaling, de grote salarisbetaling