De or het subsidieverordening?

The correct Dutch article is:

de subsidieverordening

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

How to use subsidieverordening

the subsidieverordeningde subsidieverordening
this subsidieverordeningdeze subsidieverordening
that subsidieverordeningdie subsidieverordening
our subsidieverordeningonze subsidieverordening
your subsidieverordeningjouw subsidieverordening
every subsidieverordeningelke subsidieverordening
which subsidieverordening?welke subsidieverordening?
a big subsidieverordening / the big subsidieverordeningeen grote subsidieverordening, de grote subsidieverordening