Size Guide

This Mandatory MUST REMAIN LOCKED Sign is available in a variety of sizes and materials.

Mandatory Signs should be used to indicate a particular hazard and the appropriate measures to be taken whilst in the area. This Mandatory sign complies with Australian Standard 1319-1994 (AS 1319). Colours used in the manufacture of this sign are compliant with 3.5.1 of AS1319-1994 and conform to the colour specifications at Appendix A and in accordance with AS2700. Mandatory signs should be a blue disc with the symbol in white and black text on a white background. The word MUST is usually contained in the message.