French Consumer Code

The sample shall comprise a single sample relating to all or part of the goods where the goods are rapidly deteriorable. A receipt given to the owner or holder of the goods under the conditions set out in article R. 512-14 mentions the quantity rendered unusable.

When, due to its value, its nature or the insufficient quantity of product, the goods cannot be sampled in several samples but only in one sample, and the counter-expertise can be carried out on this sample, it shall be placed in its entirety under seal. As soon as the analysis or test permits, the goods or parts thereof intended for the expert examination referred to in Article L. 512-42 shall…

3° Name and signature of the analyst; > Sealed samples are kept by the laboratory. Sealed samples are kept by the laboratory.

As far as microbiological testing is concerned, only one sample is taken.The sample is kept and sent to the competent State laboratory for microbiological research under conditions, in particular temperature, that ensure its preservation.