Official State Gazette dated 28/12/2018
I. GENERAL PROVISIONS
MINISTRY OF PUBLIC WORKS AND TRANSPORT
Resolution of November 20, 2018, from the Directorate General of Civil Aviation, publishing the Technical Instructions for the Safe Transport of Dangerous Goods by Air (ICAO Document 9284/AN/905).
https://www.boe.es/boe/dias/2018/12/28/pdfs/BOE-A-2018-17876.pdf