searching aircraft, vehicles, premises and people, and checking documents and goods to detect illegal activities such as undocumented cargo, prohibited goods and illegal aliens
examining and assessing visas and residency applications
testing applicants' ability to operate a motor vehicle, assessing applicants' suitability to hold learner's permits and probationary licences, and issuing learner's permits and probationary licences
identifying pest and weed problems and determining treatments and management
assessing claims for government benefits
carrying out random checks of taxation documents to detect non-compliance with taxation legislation
conducting visual checks of the mechanical, structural, electrical, pneumatic and hydraulic systems of railway wagons, carriages and locomotives for condition and correct classification
ensuring that train, tram and bus services are provided according to schedule, monitoring the cleanliness, presentation and condition of vehicles, and recommending improvements and changes to services
receiving and assessing applications for licences to use water, investigating the ability of water resources to meet new requirements, and conducting site inspections