– Public Accounting Firm License, issued by Ministry of Finance No. Kep-080/KM.17/1999 and Kep-1170/KM.17/1998. The latest updates No. 967/KM.1/2016
– Public Accountant License No.98.1.0555 and Public Accountant Firm License No.99.2.0296. The latest updates No. AP.0432
– Drs. Irwanto is registered as a member at FORUM AKUNTAN PASAR MODAL with letter No. APM-139 issued by IKATAN AKUNTAN INDONESIA on 22 May 1995.
– Drs. Irwanto is registered as a partner at Kejaksaan Agung with letter No. B-202/F.FS/02.2000 issued by Kejaksaan Agung Republik Indonesia Jakarta on 25 February 2000.
– Drs. Irwanto is registered at BAPEPAM with letter No. 273/PM/STTD-AP/2000 issued by Departemen Keuangan Republik Indonesia, Badan Pengawas Pasar Modal on 8 November 2000.
– Drs. Irwanto is registered at Bank Indonesia with letter No. 4/254/DPIP/DtB issued by Bank Indonesia on 5 August 2002.
– Drs. Irwanto is registered as a partner at Badan Pemeriksa Keuangan with letter No. 041/STT/V/2009 issued by Badan Pemeriksa Keuangan Republik Indonesia on 5 May 2009.
– Drs. Irwanto is registered as a partner at Bank MANDIRI with letter No. RMN.CRP/CRE.775/2009 issued by PT Bank Mandiri (Persero) Tbk on 30 June 2009.
– Based on Tax Director General Decree KEP-00084/WPJ.04/KP.0503/1999, Drs. Irwanto has been registered in Kantor Pelayanan Pajak Pratama Jakarta Kramatjati with tax number (NPWP): 06.726.620.5-005.000.