NRL chief executive David Gallop wants the Australian Rugby League to implement a policy barring imminent defectors from playing representative football.

Queensland star Israel Folau was controversially selected for Origin II despite announcing he had signed a multi-million dollar deal commencing next season with the AFL's new Greater Western Sydney franchise.

The 21-year-old prodigy played a significant role in Queensland's series-clinching Origin win last week, bagging two tries as NSW were relegated to five straight series losses.

Gallop joined the NSW Rugby League in arguing defectors should be stripped of their right to play in their showpiece series.

"When a player jumps code midway through the season there needs to be a clear policy that will effect your representative football for that season," Gallop told AAP on Thursday.

"I'd support the ARL bringing that in.

"I've indicated I support the stance NSW are trying to take on the issue.

"It's an ongoing debate at the moment."

Meanwhile, Gallop denied Melbourne Storm were on shaky ground despite revelations a clause was inserted in their new stadium agreement with AAMI Park this week freeing owners News Ltd of any obligations to the Victorian government should the NRL club fold.

"I wasn't aware of that clause but clearly both the NRL and News Ltd have said emphatically we want Melbourne Storm in our competition and successful and playing within the salary cap rules," Gallop said.

"We're monitoring their situation at the moment.

"There's no suggestion from our end that we want to see them out of the competition whatsoever.

"They're in a fortunate position where they've got an owner with very deep pockets that has indicated is committed to them so they should be concentrating on that.

"Their board is suing us (over the decision to strip them of 2010 competition points and two premierships for cap rorting) so it makes it difficult to have too much dialogue with them because of their own legal advice and ours."

South Sydney hosts the Storm in Perth on Saturday night and Gallop said it was the perfect opportunity for WA to prove they had an adequate rugby league fan base to support a team of their own if the NRL expanded in 2013.

"In about 12 months' time when we've got a clearer picture of our media rights deal going forward we'll certainly be seriously looking at expansion and the bottom line is Perth's got a lot going for it," Gallop said.

"I guess Saturday night is an opportunity for people to vote with their feet and show us that they have got an interest in rugby league.

"Obviously the (NSW) Central Coast has a lot going for it as well.

"We've got a potential bid from Rockhampton but they don't have a ground at the moment.

"We've even got some enthusiastic people up in Port Moresby but if you line them all up at the moment you'd have to say the Central Coast and Perth are the lead contenders."

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