The Ministry of Industry, Trade and Tourism has published this month the ".Guidance for the preparation of documentation to be drawn up by the manufacturer for CE marking and documentation to be issued by Notified Bodies".
http://www.f2i2.net/documentos/lsi/Construccion/RPC_GUIA_documentacion_para_marcado_CE_Sep19.pdf
The guide is for the practical application of the European Construction Products Regulation 305/2011 and concerns the mandatory CE marking of aggregates.
This document cancels and replaces the previous document dated 18 January 2018. For possible subsequent versions of this document, please visit the website:
http://www.f2i2.net/legislacionseguridadindustrial/Si_Ambito.aspx?id_am=1000
