Changes made by Commission Regulation (EC) No 102/2007 of 2 February 2007 adopting the specifications of the 2008 ad hoc module on the labour market situation of migrants and their immediate descendants, as provided for by Council Regulation (EC) No 577/98 and amending Regulation (EC) No 430/2005 (Text with EEA relevance): Commission Regulation (EC) No 430/2005 of 15 March 2005 implementing Council Regulation (EC) No 577/98 on the organisation of a labour force sample survey in the Community concerning the codification to be used for data transmission from 2006 onwards and the use of a sub-sample for the collection of data on structural variables