“UEFA puts you on formal notice that any destruction, deletion, alteration, concealment, or loss of relevant materials following receipt of this notice – or following any earlier date on which you were, or reasonably should have been, aware that proceedings were anticipated – may constitute spoliation of evidence. Uefa reserves all rights to seek appropriate remedies in the proceedings for any such destruction or loss, including applications for adverse inference orders, sanctions, and costs against the responsible party or parties,” the letter added.