Article 4U.K.Research and diagnostic samples
1.The competent authority may exempt research and diagnostic samples from official controls at border control posts provided that:
(a)the competent authority of the Member State of destination has issued to the user of the samples an authorisation in advance for their introduction into the Union in accordance with Article 27(1) of Regulation (EU) No 142/2011 and this authorisation is recorded in an official document delivered by that authority;
(b)they are accompanied by the official document referred to in point (a) or by a copy thereof until they reach the user referred to in point (a) or in the case referred to in point (c) the border control post of entry;
(c)in the case of entry into the Union via a Member State other than the Member State of destination, the operator presents the samples at a border control post.
2.In the case referred in paragraph 1(c), the competent authority of the border control post shall inform through the IMSOC the competent authority of the Member State of destination of the introduction of the samples.