Section 67J(1)(b) in The Punjab Factory Rules, 1952
(b)The occupier while obtaining or developing a Material Safety Data Sheet in respect of a hazardous substance shall ensure that the information recorded accurately reflects the scientific evidence used in making that hazard determination. If he becomes newly aware of any significant information regarding the hazards, of a substance or ways to protect against the hazards, this new information shall be added to the Material Safety Data Sheet as soon as practicable.