An employer must -
- whenever he or she intends to close an explosives workplace for an indefinite period, or permanently, give at least three months' notice of such intention to the chief inspector of occupational health and safety;
- ensure that the relevant explosives and ingredients are disposed of in a manner approved by the explosives
manager;
- submit a proof of return of all explosives and ingredients of explosives that had been in the explosives workplace;
- submit a decontamination and safety certificate to the chief inspector of occupational health and safety prior to the delicensing of the building and danger area, and
- ensure that no explosives or ingredients of explosives are kept on the premises of an explosives workplace after delicensing.