Australian medical cannabis, THC free GMO?

I heard a few years ago that Australias medical cannabis is gonna be GMO to be THC free. There is a little info on the web about it but not much

Hears a link

http://www.drugpolicy.org.au/100_gmo_biotech_cannabis

Anybody know if there is any truth to this?

Gonna be a shit go if it is true.