REGULATIONS OF THE CHIEF EXECUTIVE OFFICER N° 004/MINES/RMB/2019 OF 18/07/2019 DETERMINING THE FORMAT AND CONTENT OF A MINERAL LICENCE AND THE CONTENT OF AN AGREEMENT WITH A MINING OR INDUSTRIAL QUARRY LICENCE HOLDER — 004/MINES/RMB/2019 OF 18/07/2019 | Ubutabera AI | Ubutabera AI