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Simulated workplace
Scenario · Disability Support Services

Investigate an unauthorised restrictive practice

You are the Quality and Practice Lead in Disability Support Services.

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The situation

What has happened

On 25 August a worker at the Geelong short term accommodation locked the front door overnight to stop a participant leaving. There was no authorisation for this in the participant's behaviour support plan, so Willow notified the NDIS Quality and Safeguards Commission as an unauthorised restrictive practice. The Commission has now asked for the investigation outcome and corrective actions. The worker says the participant had walked onto the road the previous night and that no one had told them what to do. The behaviour support practitioner from Wattlebird Behaviour Services is available on Thursday. Daniel Nguyen wants findings that are fair to the worker, honest with the Commission and useful for the team.

Your brief. Lead the investigation into the incident, establish what happened and why, decide whether the practice was a restrictive practice and whether it was authorised, identify the system failures that left the worker without guidance, and produce corrective actions and a response to the Commission.
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Tasks

Deliverables

  • Investigation plan
  • Findings report
  • Corrective action plan recorded in the Incident and Hazard Register
  • Draft response to the NDIS Commission
  • Summary for the participant and family

Documents to use

Systems to use

Incident and Hazard Register

The register of injuries, near misses, hazards, allegations, behaviours of concern and restrictive practices, with the reportable scheme, investigation status and actions.

Progress Notes and Case Log

The contact record for every client: shift notes, phone contacts, case conferences and handovers, written objectively and signed off by the coordinator.

Roster and Shift Log

The seven-day roster of client visits and shifts, with check-in status, hours worked and shift notes for the rostering desk.

For trainers and assessors

Units of competency

Current on training.gov.au for the Community Services as at 10 September 2026.

CHCCCS044Follow established person-centred behaviour supports
CHCDIS016Develop and promote positive person-centred behaviour supports
CHCCCS020Respond effectively to behaviours of concern
CHCLEG003Manage legal and ethical compliance
CHCMGT001Develop, implement and review quality framework

Qualifications

CHC43121Certificate IV in Disability Support
CHC52025Diploma of Community Services
Assessor notes

What to look for

Evidence guide

The findings must correctly identify the locked door as an environmental restraint, state that it was unauthorised and explain why. Look for a balanced account that recognises the worker's safety concern without excusing the practice, and corrective actions that address the system, not only the individual. The Commission response must be factual and free of marketing language.

The student's evidence summary lists every record they created or changed in the systems named above, their notes and the tasks they ticked. Verify it against the deliverables and your own assessment tool.