The colours initially chosen for the battalion's Unit Colour Patch (UCP) were the same as those of the 43rd Battalion, a South Australian unit which had served during World War I as part of the First Australian Imperial Force.
The colours initially chosen for the battalion's Unit Colour Patch (UCP) were initially chocolate and dark blue in an oval shape, inside a circle of grey. These were the same as those of the 43rd Battalion, a South Australian unit which had served during World War I as part of the First Australian Imperial Force.