You will be required to comply with this standard if you intend to operate a tow truck. Your tow truck must have at least three portable warning devices which comply with this standard.
This Standard specifies the design and performance requirements for portable warning triangles. The version of this standard you are required to comply with is AS 3790-1992 Portable warning triangles for motor vehicles. Please consult the Contact Officer for more information and to ascertain the level of compliance that may be required by your business.