Rugby Australia has issued an Australia-wide directive banning professional players from feeder competitions as part of the biosecurity measures in place for a competition restart.

A new Australian domestic season will resume on July 3, pending broadcast agreement, with first-grade competitions expected to begin two weeks later at the earliest.

Non game-day players are usually spread around the John I Dent Cup, giving Brumbies coach Dan McKellar a chance to cast his eye over individual form.

Training will now be their only avenue, with skipper Allan Alaalatoa saying competition had already started a month before the resumption.

The Brumbies are training as a full squad for the first time since March.

"The boys obviously haven't done much contact in quarantine, but naturally the boys have that energy to come in and rip in," Alaalatoa said.

"As a leader that's been great to see. The intensity is definitely in a place where we left off and there's a fresh energy, everyone's just excited to be back together.

"Momentum [from winning games] is gone. We have to start from scratch and set new goals so that we're ready to go on July 3 or 4."

The Brumbies have turned their University of Canberra headquarters into a "bubble", with players having their temperature tested every day.

The measures are expected to be in place for the season restart, while Brumbies officials have had brief conversations with Canberra Stadium about the potential of crowds returning at some point.

The ACT Rugby Union is yet to set a start date for the John I Dent Cup start, but Canberra clubs did return to training this week.

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Rugby Australia head of professional rugby Ben Whittaker said: "We must take the necessary strict action to mitigate the risk of both infection and transmission of the virus within any of our professional environments.

"[There is] a very strong and understandable desire for players to play club rugby where possible.

"This has been specifically addressed within our return to play plan and players and coaches have been informed of the decision.

"Whilst it is acknowledged it is the desire of all Super Rugby teams to provide game time to players outside any given matchday 23, especially via club rugby, it has been agreed by teams that this practice in the current environment, where we are still seeing some evidence of community spread, would significantly compromise the team environment and possibly the competition.

"As with all things during this COVID-19 pandemic, the situation is changing rapidly and regularly. The professional rugby return to play committee will continue to keep teams updated as to any changes to directives from the various governments, and how that in turn effects our guidelines and the ability for contracted players to participate safely in club rugby."