Bancroft, Australian captain Steve Smith and opener David Warner received bans - the latter two for 12 months - after the controversy during the tour of South Africa. The Cricket Australia charge sheet did not ban them from club cricket.
Read more: Busted! Footage uncovers Australian ball tampering in cricket test against South Africa
But Western Australia club cricket regulations state anyone banned from the Warriors, the state team, is also barred from Perth Premier Cricket.
Matthew said Bancroft was working hard to make amends in a legitimate way.
Read more: Cricket: Cameron Bancroft's text message 'reveals his true character'
"Like anybody, he has his ups and downs," she said.
"But overall, I think he is in a pretty good space. He's not far off starting his community service, we have some things lined up for him there and we'll hopefully finalise those this week.
"He's really committed to doing that in a genuine and authentic way, and not just a box-ticking way."
It was also reported that Bancroft might play in an out-of-season T20 tournament in Darwin in July.