Before undertaking any expert assessment operation, the expert nurse informs the person he is to examine of his mission and the legal framework in which his opinion is sought.
The expert nurse is obliged to respect the adversarial principle throughout the expert assessment operations.
In drafting his report, the expert nurse must only reveal information that is likely to provide an answer to the questions asked. Outside these limits, he must not reveal anything that he may have learnt in the course of the assessment.
He certifies that he has personally carried out his mission.