54. Where human life, health or physical integrity is threatened by an actual or imminent major disaster situation, any person designated for that purpose by a civil protection authority may
(1) require, within the area of jurisdiction of the authority, any expert, person required to report a risk or person whose activities or property are threatened or affected by the disaster and constitute a potential source of disaster aggravation to provide scientific, technical or other information, and gain access to the location of the activities or property or to the disaster site in order to assess how the risk is or could be affected by the disaster or, in the case of the disaster site, to ascertain the causes, development and potential effects of the disaster ; and
(2) disclose to the persons concerned the information obtained that is necessary for their safety.
A civil protection authority or a person designated by such an authority may not be prosecuted by reason of any act in good faith done in the exercise of such functions.