The current standard applies to manufacturers of windows who want to take advantage of additional acoustical performances brought by built-in shutter with window delivered as such on the market or brought by the addition of a shutter delivered separately (built-in shutter installed in a prefabricated box or built-on shutter).
DIN EN 14759:2005 history
2005DIN EN 14759:2005-07 Shutters - Acoustic insulation relative to airborne sound - Expression of performance; German version EN 14759:2005
2005DIN EN 14759:2005 Shutters - Acoustic insulation relative to airborne sound - Expression of performance; German version EN 14759:2005