How to register a Computerized Accounting System (CAS) with BIR
Plain map of BIR CAS registration under RMC 5-2021: Acknowledgement Certificate, documentary checklist, who does what, and where Oojeema fits—without filing for you.
How to Generate BIR DAT Files for SLS and SLP (2026 Guide for Philippine Businesses)
If you are VAT-registered in the Philippines, you have probably heard of SLS (Sales) and SLP (Purchases)—and the DAT files the BIR expects when you file your returns. For many small business owners, the stressful part is not the return itself but re-encoding sales and purchase data into the right format. Here is a practical […]
