An employer must ensure that -
- the official number of the building is affixed on the outer wall near the main door to every building within the danger area;
- a copy of the schedule licence is permanently affixed in a conspicuous position inside every building in the danger area; and
- a loose article list, approved by the explosives manager, is permanently affixed in a conspicuous position inside every danger building: All such numbering and documentation shall be printed or typed.