Queensland's corruption watchdog is standing by a decision not to charge any officers who allegedly bashed a man at a Gold Coast police station, however it has taken issue with how officers are disciplined by Queensland Police.

Noa Begic, 21, was allegedly punched while handcuffed in the back of a police van, and while in the basement of the Surfers Paradise station in 2012.

None of the four officers involved reported the incident and none were charged.

Whistleblower Sergeant Rick Flori was charged for leaking CCTV footage of the incident and faces seven years in jail.

The Crime and Corruption Commission (CCC) reviewed its involvement in the case after a complaint a fortnight ago from Queensland's Council of Civil Liberties.

It had been notified of the allegation 11 days after the incident, however it did not launch its own inquiry, rather leaving Queensland Police's Ethical Standards Command to look into the matter.

In a statement released on Tuesday night, the CCC said it was only possible to substantiate allegations against two of the four officers, and only one of them was ever considered for an assault charge.

Mr Begic, who received a confidential payout, decided not pursue the alleged assault.

Policeman Rick Flori leaving the Southport Magistrates Court on the Gold Coast earlier this year. He has been charged for leaking the video. ( AAP: Dave Hunt )

"It was [our] view at the time that without a statement from the victim in this case a criminal prosecution was unlikely to succeed," the CCC said.

"On that basis, [we] did not raise concerns with the Queensland Police Service [QPS] about the decision to not commence a prosecution."

Of the two officers that could have allegations substantiated against them, one had resigned, removing himself from the discipline process.

The other had a "sanction of dismissal" imposed on him by the Deputy Police Commissioner, which was suspended on the condition the officer not commit any acts of misconduct for a period of two years.

"In light of these decisions, the CCC did not believe there was any reasonable prospect of success in appealing the decision of the QPS to suspend the dismissal of the officer involved in the original incident," the CCC said.

Concern over police discipline system

The CCC said it remained concerned about a number of aspects of the police discipline system in Queensland.

In particular, it has taken issue with the prevalence of the "suspension of sanctions" by the service.

"[It] has the potential to undermine public confidence in the QPS and the discipline system it administers," the CCC said

Furthermore, recent decisions in the Queensland Civil and Administrative Tribunal from disputed disciplinary hearings have resulted in outcomes that "may be considered to be at odds with community expectations".

The CCC said Alan MacSporran QC will take over as its chair on September 1 and will be briefed on issues relating to the police discipline system.

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