What Is the BIR Electronic Invoicing System (EIS)?

If you've come across the term "EIS" while researching tax compliance in the Philippines, you're looking at one of the BIR's biggest shifts in how businesses record and report sales.

EIS stands for Electronic Invoicing/Receipting and Sales Reporting System

It's the platform the Bureau of Internal Revenue (BIR) built to receive sales data directly from businesses, in near real time, instead of relying solely on periodic tax returns and physical receipt books.

In practical terms, EIS is the destination: covered businesses issue electronic invoices or receipts through their point-of-sale or accounting system, and that system transmits the sales data to the BIR shortly after each transaction.

The legal basis

The mandate comes from Section 237-A of the National Internal Revenue Code (NIRC), a provision inserted by the Tax Reform for Acceleration and Inclusion Act (TRAIN Law, Republic Act No. 10963, 2017). That section authorizes the BIR to require covered taxpayers to issue electronic receipts or sales invoices and to transmit their sales data electronically to the Bureau.

The Ease of Paying Taxes Act (Republic Act No. 11976, 2024) built on this foundation by modernizing the general invoicing framework and directing the BIR to phase in broader e-invoicing coverage across more taxpayer segments over time.

Why the BIR built it

Traditionally, the BIR has had limited visibility into a business's actual sales until periodic tax returns are filed. EIS gives the BIR a continuous stream of transaction-level data, making it easier to:

• Cross-check reported sales against actual transaction records
• Identify discrepancies between VAT returns and real sales activity
• Reduce reliance on manual receipt books, which are straightforward to alter or lose

What businesses actually have to do

For a covered business, EIS changes two things:

• How invoices and receipts are issued — through a registered Computerized Accounting System (CAS) or POS, not manually printed receipts
• What happens after the sale — the system transmits sales data to the BIR, generally within a short window after each transaction

Most businesses don't build this transmission layer themselves. It's typically handled by the accounting or POS software the business already uses, provided that software is registered with the BIR.

Who this currently affects

Section 237-A of the NIRC specifies the initial covered taxpayers as large taxpayers, exporters, and businesses primarily engaged in e-commerce. The BIR has issued Revenue Regulations under the TRAIN Law to implement this, defining the phased rollout timeline. RA 11976 then set the direction for expanding coverage to additional taxpayer segments in phases to be announced by the BIR.

The BIR has not yet announced a single mandatory deadline for all businesses — check the compliance page and official BIR issuances for the current scope.

Where to go next

• Who Needs to Comply — check whether your business is currently covered
• FAQ — common questions about formats, systems, and accreditation
• Resources — links to official BIR issuances

Sources

• Section 237-A, National Internal Revenue Code of the Philippines, as inserted by Section 23 of Republic Act No. 10963 (Tax Reform for Acceleration and Inclusion Act / TRAIN Law, 2017)
• Republic Act No. 11976 (Ease of Paying Taxes Act, 2024)
• BIR Revenue Regulations and Memorandum Circulars implementing the above — see bir.gov.ph for the current list

This article is for general information and isn't a substitute for advice from your accountant or the BIR. Requirements can change — see Resources for official issuances.