CSN EN 16602-10-04 This Standard defines the principles, process, implementation and requirements for criticalitems control. Clause 4 is the informative part of this Standard whereas clause 5 and Annex A form the normative part. This standard may be tailored for the specific characteristics and constraints of a space project, in accordance with ECSS-S-ST-00. Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.