In section 7 of the principal Act,
(a) in sub-section (1), for the portion beginning with the words "The Central Government", and ending with the words "of any accident", the words and figures "Subject to the provisions of section 14, the Central Government may, by notification in the Official Gazette, make rules providing for the investigation of any accident or incident" shall be substituted;
(b) in sub-section (2), for the word "accident" wherever it occurs, the words "accident or incident" shall be substituted.