Are you Ready for BIR Computerized Accounting System?
Updated as of Decembe 02, 2025
BIR Computerized Accounting System or CAS is now a requirement by the Bureau of Internal Revenue (BIR) to all Large Taxpayers in the Philippines, to use for an accurate, secure and reliable tax audits. Large Taxpayers or those companies who have been classified as such in accordance with the criteria under Revenue Regulations No. 1-1998 (RR No. 1-98), and has been duly notified by the BIR must acquire and use a BIR CAS which is vital for their business process. BIR CAS can manage all the daily transactions, organize the operations and assure that transactions and postings are compliant with the BIR rulings.
How to choose a BIR-compliant computerized accounting software?
Choosing a BIR-compliant computerized accounting software requires selecting a solution that is BIR Ready and possesses a proven compliance record. It is essential to schedule product demonstrations to confirm that the system meets your specific accounting and compliance needs. A compliant system must provide all mandatory BIR reports and data files and ensure that the business stays accurate, compliant, and audit-ready. Since not all Accounting Software available in the Philippines is BIR Ready Accounting Software, the software you select must be capable of supporting the critical functions emphasized in the CAS mandate.
A system approved by the BIR, CAS is more than just accounting software; it helps businesses:
- Record transactions in real time.
- Generate financial statements like the Balance Sheet and Income Statement.
- Track taxes and automate calculations.
- Issue electronic documents, such as invoices.
Ultimately, the BIR Computerized Accounting System is vital for business processes, managing daily transactions, organizing operations, and assuring that transactions and postings comply with BIR rulings. Not all Accounting Software available in the Philippines is BIR Ready Accounting Software.
Who needs a BIR Computerized Accounting System?
Large Taxpayers in the Philippines are required by the BIR to maintain and register a CAS, as per Revenue Regulations No. 9-2009. Large Taxpayers are defined as those companies classified under the criteria in Revenue Regulations No. 1-1998 (RR No. 1-98) and duly notified by the BIR.
Key Benefits of Getting CAS Registered
1. Becoming E-Invoice Ready
Being CAS Registered is a pre-requisite for businesses intending to issue electronic invoices.
CAS registration signifies readiness to comply with the BIR’s Electronic Invoice (E-invoice) requirements.
2. Centralized Financial Data
A CAS registered organization centralizes financial data based on specific requirements. This structure makes generating BIR forms and reports, as well as preparing for audits, much easier.
3. Extension of Deadline
A CAS registered organization now has 30 days to submit forms and reports, which is an extension from the previous 15-day deadline set by the BIR.
4. Enhanced Efficiency
The system automates calculations and reduces manual errors, resulting in accuracy and efficiency
Ensuring Compliance: Forms and Reports in a BIR CAS
A compliant BIR Computerized Accounting System must be able to generate required records. For instance, QNE Accounting Software, a BIR Ready Computerized Accounting System provider, provides a complete set of features that adhere to the rules and regulations of the BIR. QNE’s software includes.
The necessary forms and reports in a BIR Computerized Accounting System
Financial Reports
- General Journal
- Cash Receipt Journal
- Cash Disbursement Journal
- Sales Journal
- Purchase Journal
- General Ledger
- Subsidiary Ledger of Debtor
- Subsidiary Ledger of Creditor
- Trial Balance
- Statement of Financial Position
- Statement of Comprehensive Income.
Report Summary
- Summary List of Sales (SLS)
- Summary List of Purchases (SLP)
- Semestral List of Regular Suppliers (SRS)
Data Files
- RELIEF Sales Data File
- RELIEF Purchases Data File
- QAP Data File
- Annual Witholding Tax Data File (1604E)
- SAWT Data File
Forms and Certificates
- BIR Form 2550M
- BIR Form 2550Q
- BIR Form 1601-EQ
- BIR Form 0619-E
- BIR Form 1604-E
- BIR Form 2307
QNE is continuously enhancing their BIR Ready Accounting Software to comply with changes mandated by the BIR. They handle BIR Forms and Reports Generation, General Ledger, Sales, Purchases, Accounts Receivable, Accounts Payable, Inventory, and other accounting processes.
The Simplified CAS Registration Process
The BIR has significantly streamlined the compliance process through Revenue Memorandum Circular No. 5-2021 (RMC 5-2021), which simplifies policies on the application for registration of CAS. This update supersedes previous regulations and eliminates complex hurdles.
Under RMC 5-2021:
- Taxpayers are no longer required to secure a Permit to Use (PTU).
- Taxpayers now register their “System” by submitting documentary requirements.
- BIR Form No. 1900 is no longer required.
- Registration is rapid, with an
- Acknowledgement Certificate issued within three (3) working days from the receipt of complete documents.
- System demonstration or pre-evaluation shall not be required prior to the use of the “System”.
QNE Software assists clients in leveraging these streamlined rules, boasting a proven compliance record of 100% BIR CAS Approval and over 133 Successful CAS certifications, ensuring efficient registration. Whether you are a Large Taxpayer, PEZA-Certified, or an SME, getting CAS registered with QNE meets your accounting needs and ensures you stay government-compliant.
Are you ready to transition to a compliant BIR Computerized Accounting System? Schedule a consultation with QNE support to kick start your journey in getting CAS Registered with the BIR. You can dial 02 85674248 or 02 85674253 or visit the QNE Philippines Inc. website for a Free Product Demonstration.
Frequently Asked Questions (FAQs)
What are the advantages of using a BIR-approved computerized accounting system?
Using a BIR-approved CAS ensures compliance with BIR rules, improves accuracy, centralizes financial data, and supports faster audit preparation. CAS-registered businesses also get a 30-day submission period and are prepared for BIR e-Invoicing requirements.
What features should I look for in a BIR-compliant accounting software?
A BIR-compliant software must generate required journals, ledgers, trial balance, financial statements, Summary Lists (SLS, SLP), RELIEF data files, QAP files, and BIR Forms like 2550M and 1604-E. It should also support real-time recording, automated tax computation, and issuing electronic invoices.
How to choose a BIR-compliant computerized accounting software?
Choose software that is BIR Ready, has a proven compliance record, provides all mandatory BIR reports and data files, and offers product demos so you can check if the system meets your accounting and compliance needs.
What are the requirements for BIR approval of computerized accounting systems?
Under RMC 5-2021, CAS registration is easier: no more Permit to Use (PTU), no system demo, and no BIR Form 1900. Taxpayers simply submit the required documents, and an Acknowledgment Certificate is issued within 3 working days once complete.
How to choose a BIR-compliant computerized accounting software?
To choose a BIR-compliant computerized accounting software, look for a solution that is BIR Ready and has a proven track record of compliance. Always request a product demo to verify that the system meets your accounting workflows, reporting requirements, and compliance needs.
