(1) With regard to immigration services, what (a) type of (i) visa and/or (ii) permit is required for foreign interns and (b) on what legislative provision is this requirement based; (2) whether a different (a) visa or (b) permit is required if an intern provides remunerated service; if not, why not; if so, what are the relevant details; (3) what are the statistics of applications that have been received in this regard in each month (a) in the (i) 2009-10, (ii) 2010-11 and (iii) 2011-12 financial years and (b) since 1 April 2012, indicating (aa) country of origin, (bb) reason(s) for application and (cc) duration of stay?