[No. 6.] S.4 Data Protection (Amendment) Act 2003. [2003.] (III) for the performance of a function of the Government or a Minister of the Government, (vii) the processing— (I) is required for the purpose of obtaining legal advice or for the purposes of, or in connection with, legal proceedings or prospective legal proceedings, or (II) is otherwise necessary for the purposes of establishing, exercising or defending legal rights, (viii) the processing is necessary for medical purposes and is undertaken by— (I) a health professional, or (II) a person who in the circumstances owes a duty of confidentiality to the data subject that is equivalent to that which would exist if that person were a health professional, (ix) the processing is necessary in order to obtain information for use, subject to and in accordance with the Statistics Act 1993, only for statistical, compilation and analysis purposes, (x) the processing is carried out by political parties, or candidates for election to, or holders of, elective political office, in the course of electoral activities for the purpose of compiling data on people’s political opinions and complies with such requirements (if any) as may be prescribed for the purpose of safeguarding the fundamental rights and freedoms of data subjects, (xi) the processing is authorised by regulations that are made by the Minister and are made for reasons of substantial public interest, (xii) the processing is necessary for the purpose of the assessment, collection or payment of any tax, duty, levy or other moneys owed or 14