Do a lifejacket risk assessment. Your safety, and the safety of your passengers and crew, depends on it. Wearing a lifejacket can help prevent a tragic incident.
The MNL applies to most commercial vessels operating in Australia. It helps fund the cost of operating and maintaining marine aids to navigation systems.
There are mandatory minimum requirements for your certificates under the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers 1978 (STCW).