ENGINE
LA1    Equivalent Engine Installation
LA2    Performance Engine Installation
LA3    Supercharger and Turbocharger Installation
LA4    Engine Modifications

TRANSMISSION
LB1    Transmission Substitution
LB2    Rear Axle Substitution
LG1    Brake System Conversion (Design)
LG2    Brake System Conversion

BODY AND CHASSIS
LH1    Roof Conversion (Design)
LH2    Roof Conversion
LH3    Modified Wheelbase Conversion (Design)
LH4    Modified Wheelbase Conversion
LH5    Vehicle Construction (Design)
LH6    Vehicle Construction
LH7    Body/Chassis Variants Conversion
LH11  Campervan, Motorhome Conversion

SEATING AND OCCUPANT PROTECTION
LK1    Seat and Seat Belt Installation/Removal
LK2    Seat and Anchorage Certification
LK6    Child Restraint Anchorage Installation
LK8    Construction and Installation of One-Off Roll-Bars and Roll-Cages by Individuals
LK10  Installation of Aftermarket Roll-Bars, Roll-Cages and ROPS

MOTOR CYCLES AND THREE WHEELED VEHICLES
LL7    Seating Capacity alteration

FUEL SYSTEMS
LM1    Fuel Tank Alteration

VEHICLE STANDARDS COMPLIANCE
LO1    Australian Design Rule Compliance
LO2    ICV Passenger Cars and Derivatives
LO3    Personally Imported Vehicle Compliance
LO8    Pre 1972 Imported Vehicle Safety Compliance

TYRES, RIMS, SUSPENSION AND STEERING
LS1    LHD Vehicle Steering Conversion (Design)
LS2    LHD Vehicle Steering Conversion
LS3    Front Suspension and Steering Modification (Design)
LS4    Front Suspension and steering Modification
LS5    Rear Suspension Modification (Design)
LS6    Rear Suspension Modification
LS9    High Lift – 50mm to 125mm (Design)
LS10  High Lift – 50mm to 125mm (Modification)

TEST PROCEDURES
LT1    Beaming and Torsion Tests
LT2    Lane Change Manoeuvre Test
LT3    Exhaust Emissions – IM240 Test
LT4    Noise Test