Malaya Tech Consulting, Inc. BIR Accredited CAS: Bringing in Wins BIR-Compliant Computerized Accounting Systems (CAS) The Philippines’ BIR Revenue Regulation (RR) No. 09-2009 issued last January 2010 mandates all Large Taxpayers classified under RR No. 1-98 and thos... BIR BIR CAS Odoo Odoo Philippines Oct 10, 2022