No procedure involving exposure to ionising radiation may be performed without a prior written exchange of relevant clinical information between the applicant and the person performing the procedure. The applicant must specify in particular:
1° The reason ;
2° The purpose ;
3° The circumstances of the planned exposure, in particular any pregnancy;
4° Previous examinations or procedures performed;
5° Any information required to comply with the optimisation principle mentioned in 2° of Article L. 1333-2.