Guides for Philippine businesses

Plain-language guides on BIR rules and running operations in the Philippines, with the regulation numbers cited.

How to Apply for a PTI Electronic Invoice
What the Permit to Issue Electronic Invoice is, where to file it, how long the BIR takes, and when you need a new one.
BIR Sales Invoice vs Official Receipt: Requirements and E-Invoices
Why the sales invoice replaced the official receipt, the minimum contents of a BIR sales invoice, when a system-generated invoice counts as an e-invoice, and how corrections and downtime are handled.
BIR E-Invoicing and the BIR EIS: Requirements, PTI and Deadline
A plain-language guide to the BIR e-invoicing rules under RR 11-2025, RR 26-2025 and RMC 98-2026: who is covered, what a valid e-invoice is, and the approval steps.
Who Must Issue BIR E-Invoices, and When
The first group under RR 11-2025, who follows later, and the deadline under RR 26-2025.
Why Excel and Google Sheets Invoices Are Not E-Invoices
Spreadsheet and document invoices fail the BIR three-part e-invoice test. Here is why.

Let us show you around.

A walkthrough using your own business setup, for SMEs, BPOs and groups across the Philippines.