3. The interested party has the right to obtain: a) the update, rectification or, when it has an interest, the integration of the data; b) the cancellation, the transformation into anonymous form or the blocking of data processed in violation of the law, including those of which retention is not necessary in relation to the purposes for which the data were collected or subsequently processed; c) the attestation that the operations referred to in letters a) EB) have been brought to the attention, also as regards their content, of those to whom the data have been communicated or disseminated, except the case in which this fulfillment proves impossible or entails a use of means manifestly disproportionate to the protected law. 3. The interested party has the right to obtain: a) the update, re.