What is BIR CAS?

BIR CAS (Computerized Accounting System): A requirement under RMO No. 9-2021 and Revenue Regulations No. 5-2014 mandating that businesses use an approved computerized system to generate official accounting records, books of accounts, and financial reports.

Who is mandated to use a Computerized Accounting System (CAS)?

Businesses in the Philippines must determine their Bureau of Internal Revenue (BIR) compliance obligations based on three core factors: taxpayer classification, accounting practices, and current tax regulations. For companies mandated under BIR Computerized Accounting System (CAS) rules, relying on manual spreadsheets, disconnected billing tools, or non-compliant platforms creates severe compliance risks, reporting errors, and tax penalties. The Solution: A CAS-ready system provides a structured, audit-ready environment that automates financial recordkeeping, ensures BIR compliance, and simplifies tax reporting.

What is BIR EIS?

BIR EIS (Electronic Invoicing/Receipting System): A government mandate requiring taxpayers to generate and transmit electronic sales receipts (EIRs) in real time directly to the BIR’s portal.

Who is mandated to use a Computerized Accounting System (CAS)?
1.Large taxpayers under LTS Jurisdiction,
2. VAT-registered taxpayers selected by the BIR for Phase 1 implementation Electronic Sales Reporting.
3. Other taxpayers mandated under future EIS rollout phases (phase 2)
4. Taxpayers that are CAS and CBA registered
5. Taxpayers engaged in export, e-commerce, or with online/digital platform transactions.”
“As per RR-11-2025 Section 3 – This are the list of Taxpayers that are mandated to issue Electronic invoices.”

Scale your operations on a world-class cloud platform while staying 100% BIR-compliant.

APPTech Digital configures Acumatica to seamlessly handle BIR Computerized Accounting System (CAS) requirements and Electronic Invoicing System (EIS) integration—giving you a modern ERP with zero compliance headaches.”

Why Philippine Businesses Choose Acumatica + APPTech Digital:

Automated Philippine Tax Reporting
Acumatica’s flexible financial engine is enhanced with pre-configured Philippine tax forms—including VAT (2550M/Q), Expanded Withholding Tax (0619-E/1601-EQ), and official BIR Books of Accounts—eliminating manual spreadsheet consolidation.

Direct BIR EIS Portal Integration
Acumatica’s billing and sales workflows automatically generate, format, and transmit real-time JSON sales data directly to the BIR Electronic Invoicing System (EIS) portal for instant electronic receipting (EIRs).

Turnkey BIR Permit & Registration Support

Frequently Asked Questions (FAQ)

Why choose Acumatica Cloud ERP for BIR CAS registration?

Acumatica provides a modern, scalable cloud framework that easily adapts to Philippine tax laws. APPTech Digital configures Acumatica’s core modules to output BIR-compliant data structures, making the CAS registration process fast and straightforward.

Can Acumatica submit electronic invoices directly to the BIR EIS portal?

Yes. APPTech Digital integrates an automated EIS submission layer into Acumatica, allowing electronic sales receipts (EIRs) to be transmitted directly to the BIR in real time or scheduled batches.

Does APPTech Digital assist during the BIR system demonstration?

Yes. As your Acumatica partner in the Philippines, APPTech Digital manages the technical presentation, document submission, and system walkthrough required by your local Revenue District Office (RDO).

Scale Your Operations with Next-Gen Cloud ERP—100% BIR-Compliant

Scale your business on a world-class cloud platform with zero tax compliance headaches. APPTech Digital custom-configures Acumatica Cloud ERP to seamlessly handle local Bureau of Internal Revenue (BIR) Computerized Accounting System (CAS) registration and Electronic Invoicing System (EIS) integration out of the box.

Why Philippine Businesses Choose Acumatica + APPTech Digital

Automated Philippine Tax Reporting: Acumatica’s flexible financial engine is pre-configured with local tax requirements—including VAT (Forms 2550M/Q), Expanded Withholding Tax (Forms 0619-E/1601-EQ), and official BIR Books of Accounts—eliminating manual spreadsheet consolidation.

Direct BIR EIS Portal Integration: Billing and sales workflows automatically generate, format, and transmit real-time structured JSON sales data straight to the BIR Electronic Invoicing System portal for instant electronic receipts (EIRs).

Turnkey BIR Permit & Registration Support: APPTech Digital guides you through every regulatory step—handling RDO document preparation, system demonstrations, and technical walkthroughs for local revenue officers.

Frequently Asked Questions

Why choose Acumatica Cloud ERP for BIR CAS registration?

Acumatica provides a modern, scalable cloud framework built for seamless adaptation to Philippine tax regulations. APPTech Digital configures Acumatica’s core modules to output precise, BIR-compliant data structures, ensuring your CAS submission and approval are fast and straightforward.

Can Acumatica submit electronic invoices directly to the BIR EIS portal?

Yes. APPTech Digital integrates an automated EIS transmission layer directly into Acumatica. Electronic sales receipts (EIRs) are processed and sent to the BIR servers in real time or in scheduled automated batches without manual intervention.

Does APPTech Digital assist during the BIR system demonstration?

Yes. As your dedicated Acumatica partner in the Philippines, APPTech Digital fully manages the technical presentation, document preparation, and live system walkthrough required by your Revenue District Office (RDO).

Ready to Automate Your BIR Compliance?

Stop risking penalties and wasting hours on manual tax reports. Let our experts handle your Acumatica setup and BIR registration end-to-end.