[2] Standalone departments/agencies: Since 1 December 2019 the RMS merged into Transport for NSW to form a standalone agency: Cars and Heavy Vehicles From 1910 to 1937, serials on registration plates for cars were all-numeric, running from 1 to 274-000, while serials on plates for lorries consisted of the letter L followed by up to five numbers.
In 1924, the colour scheme for car plates was reversed, so that they consisted of white characters on a black background.
On 16 April 1937, a new serial format was adopted for both cars and lorries, consisting of two letters followed by three numbers, with leading zeros as necessary.
[4] At the same time, the plates' colour scheme changed to black characters on a yolk yellow background.
Plates continue to consist of black characters on a lemon yellow background, with reflective sheeting.
In August 2014, a new trailer plate was introduced consisting of black characters on a white background, and a plain "NSW" legend.
In November 2009, a plate consisting of black characters on a white background was introduced, using the same serial format but starting at ABA-00 and progressing forwards.
Historic Current (aa·nn·aa) Premium (aaa·nna) "MyPlates" range is a product of the Plate Marketing Pty Ltd on behalf of Transport for NSW.
As of 1 October 2010, Plate Marketing Pty Ltd (formerly part of the LicenSys group) has been appointed to manage and operate the myPlates business under a 15-year partnering arrangement.
Plate customisation has also been added into the coloured, premium range and recently motorcycles (7 March).
There are also restrictions preventing people from picking combinations that are too similar to special plates issued by Transport for NSW (for instance, HC-nnn and HC-nnnn combinations are reserved only for accredited hire-car operators which is not currently newly issued).
MyPlates products and special short term plates: Specialised series blocks in either previous styles or discontinued combinations: From 1932, registration labels were introduced which corresponded to the vehicle's registration plate, and were displayed on the windscreen or side-windows of vehicles.