The Director General of the Regional Health Agency may object, on grounds relating to the risk of jeopardising the continuity of medical biology services, to the acquisition of a medical biology laboratory or a medical biology laboratory site, to the purchase of all or part of the assets of a company operating a medical biology laboratory or to a merger of medical biology laboratories, including the transfer of all assets and liabilities, where this transaction would result in the proportion of the total number of medical biology examinations carried out by the laboratory resulting from this acquisition or merger exceeding the threshold of 25% of the total number of medical biology examinations carried out in the area determined pursuant to b of 2° of Article L. 1434-9 in question, the share of medical biology examinations performed by the laboratory resulting from this acquisition or merger exceeds the threshold of 25% of the total number of medical biology examinations performed.