1.p Royal Government's sub-decree N0 97, Aug 04 2005, BELTEI International Institute is authorized to run faculties.
2. Prakas Nº 1426 , August 31, 2006, the Department of Foundation Year of BELTEI International Institute is recognized.
3.Full Accreditation was granted by ACC Nº 02460832, dated on October 22, 2008 signed by His Excellency Sok An,.
4. Full Accreditation was granted by ACC Nº 02461112, September 19, 2011 signed by His Excellency San Montaya
5. Sub-decree Nº 138 , September 06 2012 Changing from BELTEI International Institute to BELTEI International University
6. Local Certificate of Quality Management System ISO (9001-2008)
7. International Certificate of Quality Management System ISO (9001-2008)
8. BELTEI Group awarded as an Outstanding Organization from ASEAN