ACT representative coach Craig Robberds has backed Simon Poidevin's push to create a third-tier competition to give Canberra players another pathway to the top.
But the Wests great warned only adding the best John I Dent Cup team would ruin the capital's premier division.
Retired Wallaby Poidevin has started a push for a Heineken Cup-style club competition to bridge the gap between professional and amateur rugby.
It would involve the best teams from Sydney, Canberra and Brisbane.
But if the move is to be successful in Canberra, Robberds said it must be an ACT representative side playing - similar to the Canberra Vikings - instead of promoting one club. The ARU started the Australian Rugby Championship in 2007, but it ran for just one year and lost $5 million.
''It can't be one [Canberra] club because then all of the players would move to that one team,'' Robberds said.
''It's a good idea, it gives the perfect opportunity for local players to be seen.
''It tests you against the so-called better players from Sydney and Brisbane … with the academy program it gives guys a team to aim for instead of just training to improve their skills.''
Brumbies coach Jake White has made a concerted effort to boost the standard of the Canberra competition by assigning his players to local clubs instead of letting them return to Sydney and Brisbane. White has also started an academy for the best players in the John I Dent Cup who train together as well as with their respective clubs.
The ACT XV will play a trial match against the Brumbies on Friday and have games against Samoa, Tonga and possibly NSW Country and the Australian Barbarians.
The Heineken Cup is one of the top club competitions for teams around Europe.
They play pool matches and then advance to finals.
Promoting the top teams in Sydney and Brisbane would work, but by only promoting one already established club from Canberra the competition's talent could be unfairly distributed. Robberds said the best option for Canberra to be included was a representative side in a shortened competition.
''If it's the best club it just becomes a money thing [in Canberra] and that doesn't serve any purpose,'' Robberds said.
''If you want the next tier you've got to do it right and for Canberra it has to be a representative side [from] the best teams.
''Jake is doing great things for the competition now and guys are getting chances to train with the Brumbies, so the pathway is starting, but you need to present guys with opportunities.''