ACT Chief Minister Andrew Barr also said the Raiders will be free to return to training at their new Braddon centre of excellence if it gets passed by the national cabinet.

The NRL's planning to resume their 2020 season on May 28 and are hoping to return to training next week.

Barr said the national cabinet had commissioned the Australian Health Protection Principal Committee, the country's peak health advisory body, to develop guidelines for a return to sport at both the elite and community levels.

That could be discussed on Friday or potentially at next week's meeting.

If that states a return to training for elite sports is safe then it will be given the all clear by the ACT government.

That would include the potential for the Raiders to play games at Canberra Stadium, with the NRL currently looking at basing the competition in NSW until inter-state travel restrictions ease.

Barr said the Raiders would be free to play at an empty Canberra Stadium, stating it would be unlikely crowds would return in 2020.

"The Raiders could play at Canberra Stadium. There would be no crowds. We're a long way away from mass gatherings of any kind," he said on Thursday.

"To be frank I'd be surprised if there were crowds at football matches this year. That may not be what some of the codes are planning for.

"It could happen, but I'd be surprised given where we are now and the level of risk that would entail. But playing for the television cameras in front of an empty stadium [would be OK]."

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The Raiders opened their new training base at the start of March, but barely had the chance to train in it before the coronavirus shut down Australian sport.

But they could be allowed to reopen their doors next week if the national cabinet are shown it's safe to do so according to the AHPPC's report.

"I'm anticipating this advice to either be discussed at tomorrow's national cabinet or the following Friday's," Barr said.

"I haven't seen it yet. What I can say is having elevated that to a national level gives consistency for all sporting codes and removes the capacity for there to be confusion about what might happen in NSW, Queensland or the ACT.

"If it is safe, or at least the risk is very low in relation to training in NSW then of course it will be the same in the ACT.

"And I understand with a brand new training facility that the Raiders have - that was funded by the ACT government, NSW government and the Raiders themselves - that they would want to utilise that.

"If they can do so safely and reduce the obvious risk that would be there then I have no problem with that. Provided it's consistent with the national guidelines."

Barr said the poor behaviour of a few NRL players didn't help the code's cause in returning to work.

NSW players Nathan Cleary, Latrell Mitchell and Josh Addo-Carr have all been fined by the NRL for breaching social-distancing regulations last weekend.

Barr said the fact players' off-field behaviour was regularly creating headlines further muddied the waters.

"It certainly didn't help did it. If the plans the sports put forward require the adherence of the players to a set of rules then that's not the best start to such an approach," he said.

"It is true to say it's only a very small minority, but gee we don't go many weeks in Australia without a footballers-behaving-badly story do we."