(1) Whether, with reference to her reply to question 194 on 27 October 2011, her department utilises its National Identification System (HANIS), to rectify duplications proactively, rather than react once a complaint is received; if not, why not; if so, what are the relevant details; (2) how many cases of the issuing of duplicate identity numbers to two separate persons were encountered (a) in the (i) 2009-10 and (ii) 2010-11 financial years and (b) during the period 1 April 2011 up to the latest specified date for which information is available; (3) how many cases of the issuing of two identity numbers to one person were encountered (a) in the (i) 2009-10 and (ii) 2010-11 financial years and (b) during the period 1 April 2011 up to the latest specified date for which information is available; (4) whether her department has set measures in place, or intends to implement measures, to prevent duplication of identity numbers; if not, why not; if so, what are the relevant details?