De or het maximumperiode?

The correct Dutch article is:

de maximumperiode

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

How to use maximumperiode

the maximumperiodede maximumperiode
this maximumperiodedeze maximumperiode
that maximumperiodedie maximumperiode
our maximumperiodeonze maximumperiode
your maximumperiodejouw maximumperiode
every maximumperiodeelke maximumperiode
which maximumperiode?welke maximumperiode?
a big maximumperiode / the big maximumperiodeeen grote maximumperiode, de grote maximumperiode