Section 17. When any accidental explosion occurs in a mine, or when any accident occurs in or at a mine, causing

17. When any accidental explosion occurs in a mine, or when any accident occurs in or at a mine, causing loss of life or serious bodily injury, the owner, agent or manager of the mine shall give such notice of the explosion or accident to such authorities in such form, and within such time, as may be prescribed. Power for the Government to order formal inquiry into accidents.