 As JAG, Len Roberts-Smith was responsible for reporting annually to Parliament on the operation of the "Defence Force Discipline Act 1982" and any other Commonwealth or Australian Capital Territory law relating to the discipline of the Defence Force.He was also responsible for making procedural rules for Service tribunals, providing the final legal review of proceedings with the Defence Force, participating in the appointment of Judge Advocates, Defence Force Magistrates, Presidents and members of the courts martial.His appointment to the substantive position was for a three-year term He was the first Western Australian to serve in the role.