(19)In order to improve the efficiency of the statistical production processes of labour market statistics and to reduce the statistical burden on respondents, national statistical authorities should have the right to access and use, promptly and free of charge, all national administrative data, privately held data and other sources, and to integrate those data with statistics, to the extent necessary for the development, production and dissemination of European Union labour market statistics on businesses, in accordance with Regulation (EC) No 223/2009.