Federal Interstate Registration Scheme

Federal Interstate

Run years: 1 January 1987 to 1 July 2018.

Heavy vehicles (over 4.5 tonnes GVM) can choose to participate in FIRS scheme.

FIRS plates are WX·00AA, and are green on a reflective yellow background.

FIRS plates are issued by state authorities on behalf of the Commonwealth, and carry the format as specified by the Interstate Road Transport Regulations 1986 – Reg 21.[2] Federal Interstate-registered vehicles are prohibited from undertaking intrastate journeys and can only be used for cross-border work.

The first character represents the state of issue:

A for Australian Capital Territory

C for Northern Territory

N for New South Wales

Q for Queensland

S for South Australia

T for Tasmania

V for Victoria

W for Western Australia

The second character represents the type of vehicle being registered:

V for vehicle (typically issued to prime-movers, but are also attached to rigid vehicles such as coaches and moving trucks).

T for trailer.

X for extra weight, for vehicles with particular high gross vehicle or aggregate trailer masses.