Standards are intellectual property. They are developed by committees of experts through the CENELEC (European Committee for Electrotechnical Standardization) and IEC processes. The revenue from selling these documents funds the ongoing development and maintenance of the standards.
The following parties need to comply with EN 61326-1: en 61326-1 pdf
: New options for transient testing include using either 5 kHz or 100 kHz burst durations. Compliance Requirements: Immunity and Emissions Standards are intellectual property