Spanish Royal Decree 137/1993 approving the regulation on weapons (in Spanish) as latest updated 23 October 2017 23. October 2017 You need to be logged in to view this content. Please Log In. Not a Member? Join Us Posted in CELIS-CONTENT and tagged 2017, CELIS-CONTENT-Government, CELIS-CONTENT-Legislation, Defence and Policing, EU-Member State, Europe, Spain