If the checks are carried out following the discovery of a crime or offence referred to in article L. 3354-1, the officer or agent of the judicial police sends :
1° The first blood sample taken, together with four copies of forms A and B, to an expert biologist on the list provided for in Article R. 3354-20 ;
2° The second sample, together with one copy of sheets A and B, to another expert biologist on the same list who may be responsible for carrying out the control analysis.
The expert biologist in charge of the analysis records the results on a blood analysis form known as form C and sends a copy of forms A, B and C directly to the person concerned and to the public prosecutor at the scene of the crime or offence, in a sealed envelope with a confidential stamp. Form C is given to the criminal investigation officer.