obligation to maintain
1.Statistics institutions and statisticians shall have the obligation to maintain commercial secrets of the units and individuals under their statistical investigation, which they have come to know in the process.
3.The supplier also requires his subsuppliers to introduce and maintain a quality managemant system based on the Inernational Standards ISO9000 ff. with the obligation also for subsuppliers to also set a zero-dedect goal and to continuously improve their performance.

