The Commission of Inquiry into Queensland Police Service (QPS) responses to domestic violence was due to wrap up with QPS Commissioner Katarina Carroll’s evidence at a public hearing on August 18.

However, a number of QPS members reached out to give it unsolicited evidence about cultural issues after Carroll admitted the force had significant problems involving sexism, misogyny and racism.

Four days later, the commission reopened for submissions on QPS culture and has since received more than 130 written responses.

Judge Deborah Richards said the inquiry needed more time to probe the “significant response” and will hand down its final report on November 14, five weeks later than originally planned.

“The reporting extension to 14 November will allow the Commission to conduct a thorough review of the additional submissions and call for any additional information from the QPS,” an inquiry spokesperson said in an emailed statement on Thursday night.

Earlier on Thursday, the inquiry confirmed it had made formal requests for additional material from the QPS before the submission deadline closes next Monday.

However, it wouldn’t confirm media reports that it had asked senior QPS executives to hand over their disciplinary files.

“The Commission will not be commenting on the specifics of what has been requested of the QPS,” an inquiry spokesperson told AAP.

“The Commission of Inquiry will make a decision on whether Police Commissioner Katarina Carroll or other witnesses are recalled once the closing date for submissions has passed.”

After steadfastly denying the QPS was plagued by cultural issues, Carroll told the inquiry she was appalled about vulgar public comments made by two senior police officers, including her deputy who later resigned.

The second officer remains on leave with his future in doubt as the service seeks legal advice.