Operator to give notice of happening of certain occurrences

50-73-306 . Operator to give notice of happening of certain occurrences. Immediate notice must be conveyed to the department by the operator interested: (1) when an accident occurs whereby a person receives serious or fatal injury; (2) when work is commenced to sink a shaft, slope, or drift either for hoisting or escape purposes; (3) when there is intent to abandon a mine or to reopen an abandoned mine; (4) upon the appearance of a large body of firedamp in a mine, whether accompanied by explosion or not, and upon the occurrence of a serious fire within the mine or on the surface around the mine; (5) when the workings of a mine are approaching near an abandoned mine believed to contain accumulation of water or gas; or (6) upon the accidental closing or intended abandonment of a regularly established passageway to an escape outlet.