The data subject shall have the right to obtain, without constraint, at any time within three months from the receipt of the request and free of charge from the controller:
(a) confirmation as to whether or not data related to him or her are being processed;
(b) information at least as to the purposes of the processing operation, the categories of data concerned, and the recipients or categories of recipients to whom the data are disclosed;
(c) communication in an intelligible form of the data undergoing processing and of any available information as to their source;
(d) knowledge of the logic involved in any automated decision process concerning him or her.