ACT chief health officer Dr Kerryn Coleman has decided to allow contact competitions to restart this weekend despite concerns about coronavirus cases in Melbourne and Sydney.

ACT rugby union, Australian football and soccer will begin their delayed competitions on Saturday, while basketball and rugby league are set to return next week.

But the changes will be obvious. Crowds will be capped, canteens will be cashless, change-room use will be limited and high fives discouraged. Here's what you can expect if you are going to community sport this weekend.

Outdoor venues will be capped at 100 people, which includes players and officials. So if there are 44 players at an AFL Canberra game, plus another 26 trainers, coaches and officials, just 30 spectators will be free to attend.

The spectator figure will drop below 100 if the venue does not have ample room to meet the four-square metres rule. Indoor venues will be capped at 25 per cent of seating capacity and spectators at both indoor and outdoor sports must adhere to the the four-square metres physical distancing restrictions.

Some junior sports are advising participants to have just one parent or guardian on the sideline, or watching from the car to reduce risks of spreading COVID-19.

Officials numbers will be capped depending on which competition is being played. All attendees will have their details recorded for track and trace purposes.

Sausage or steak sandwiches, pies, sausage rolls and hotdogs have been given the green light, but venue canteens will operate differently to the past.

Those in charge will be guided by strict health and safety measures when preparing food, while hungry spectators will have to stand on spots marked on the ground to maintain social distancing.

ACT Sport Minister Yvette Berry said: "We know sports have not been able to do their normal fundraising through canteens and sausage sizzles. All of that can go ahead keeping in mind the restrictions that remain in place."

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Canteens will be cashless where possible, so no need to scrummage through jacket pockets or the back seat of the car to find a couple of dollars get your sausage-sandwich fix.

Yes, the change rooms will be open but minimal use is encouraged. Players in all sports and at all levels are being told to "get in, play and get out". Players have been told to shower at home and using hand sanitiser will be mandatory upon arrival at each venue.

The size of change rooms makes it hard to meet physical-distancing requirements, meaning team talks and preparation will have to be done outside. Change rooms are closed at netball games, but open for both rugby codes with use kept to a minimum, one-way routing and physical distancing markers.

These will vary depending on which competitions you're playing in. Juniors will limit their time at the ground before a game, but seniors will still need time to warm up.

Given the different warm-ups required, it's best to check with your club about when you should get to the venue. Each sport has a COVID-19 plan to account for contact tracing and enforce the cleanliness guidelines.

Competitions will likely be stopped immediately. The ACT government has committed to a staged return to play, starting with training in June and contact training on July 1.

But health officials say the restrictions could change if cases rise in Canberra, or contact sport poses a risk top spreading coronavirus.

"Nobody wants us to go back to where we were ... Stick to common sense and well keep the community safe so we can have a sense of normality," Berry said.

All equipment is to be washed between sessions, while goal post pads, nets, scoring benches, are to be cleaned after every match.

Balls will be sanitised before and after every match, while two sets netball bibs are to be washed after every game. Indoor courts will be cleaned daily.

This one's not so clear. Some sports are advising participants to avoid handshakes and huddles despite being in close proximity on the field.

It's inevitable the joy of the first try or goal will lead to embracing each other, but officials are hoping participants minimise hand contact whether it be via handshaking, high fives or huddling together.

Senior sport will restart this weekend, with netball hosting its first round on Friday night and AFL Canberra, ACT rugby and Capital Football to follow on Saturday and Sunday.

Canberra rugby league has delayed round one until July 25, Basketball ACT is returning on July 27, some junior sports will wait until next week to account for the end of school holidays.