CSN EN 17214 This document defines visual assessment procedures for the appearance of furniture surfaces with regard to surface defects and colour and gloss variations. It is not applicable to constructive features or geometric dimensions, e.g. parallelism of edges. This standard is applicable to all furniture surfaces except textile and leather surfaces. It applies to the incoming and outgoing goods inspections, as well as local assessments. Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.