Real Decreto 212/2002, de 22 de febrero, por el que se regulan las emisiones sonoras en el entorno debidas a determinadas máquinas de uso al aire libre BOE n° 52 du 01/03/2002, page 8196

This Royal Decree regulates noise emissions from certain machinery used outdoors. It aims to reduce noise pollution in the environment caused by these machines, ensuring better living conditions for citizens. The regulation affects manufacturers and users of outdoor machinery, setting limits on the sound power levels these machines can emit. Compliance is necessary to place these products on the market.