What are fire door tags there for?

In looking at the current Australian Standards, and having recently drafted an article on the history of fire door tags in Australia (to be possibly published in the Fire Protection Association of Australia publication “Fire Australia”), this question has been


“A speech should be like a woman’s dress – long enough to cover the topic, but short enough to be interesting”. Give everyone a gun, fit it with a hindsight and nothing will go wrong. How are you supposed to