Plain answers for Philippine businesses
BIR e-invoicing and keeping your books, explained in short, practical guides. No jargon.
BIR e-invoicing
The December 31, 2026 rule in plain words: who is covered, which permits, and what changes on your invoices.
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E-invoicing in the Philippines (2026): the plain-English guide
BIR set December 31, 2026 as the deadline. Here is the whole rule on one page: who, what, which permits, and what changes in your day.
7 min read
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E-invoicing for Shopee, Lazada and TikTok Shop sellers
The rule names online sellers first. Here is what it means for a shop with hundreds or thousands of orders a month.
6 min read
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PTU, PTI, EIS Certificate, PTT: which permit do you need?
Four permits, four acronyms. Only two of them matter before your first e-invoice. Here is which, and in what order.
5 min read
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Am I covered? Who must switch to e-invoicing
Not every business has to switch. The line is drawn by your sales, how you sell and how you make your invoices.
4 min read
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Returns and refunds: credit notes for e-invoices
Once an e-invoice is issued, it stays as it is. Corrections go on new documents. Here is which one to use, and when.
5 min read
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Why Excel and Word invoices no longer count
Many small businesses still type invoices into a Word or Excel template. For covered businesses, those invoices stop counting.
4 min read
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System down? The manual-invoice rule for e-invoicing
Internet down, power out, system unreachable. You can still sell. Here is the rule for the hours when e-invoicing is not possible.
3 min read
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BIR e-invoicing FAQ: 20 questions, answered plainly
The questions we hear every week, with short answers and the rule each one comes from.
8 min read
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E-invoicing penalties: what the Tax Code says
No scare tactics: the penalty written in the law, what else is at risk, and the simple habits that keep you clear.
5 min read
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What must be on an e-invoice: the full checklist
An invoice is only as good as its details. Here is every required item, on an example you can compare yours with.
7 min read
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How to issue an e-invoice, step by step
Setting up once, then four steps per sale. Here is the whole path, from your business details to the buyer receiving the e-invoice.
6 min read
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CAS registration and e-invoicing: how they fit together
If you already have a CAS permit, you are not done. If you do not have one, you may not need it. Here is how the two fit together.
5 min read
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The e-invoice JSON format and unique ID, explained
Behind every e-invoice there is a small data file. You never have to type it, but it helps to know what is in it.
7 min read
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The EIS Certificate and the BIR EIS portal
Six months after your PTI, your system has to pass BIR’s online tests. Here is what that involves, step by step.
6 min read
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TIN and branch code on invoices: getting it right
A small line with big consequences. How the TIN line must look, with examples for head office, branches and buyers.
4 min read
Keeping your books
Invoices, expenses, receipts and a monthly routine for small businesses.
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How to make a proper invoice for your small business
A clear invoice gets paid sooner. Here is what to put on it, how to number it and how to keep track of who still owes you.
5 min read
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Excel or an accounting app: which is right for your business?
Excel is where most small businesses start, and for good reason. This guide shows when it is still enough and the signs that it is time to move.
6 min read
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How to track business expenses and keep every receipt
Lost receipts and a shoebox of paper make month-end slow. A ten-minute weekly routine fixes most of it.
5 min read
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Bookkeeping for Shopee, Lazada and TikTok Shop sellers
The amount the platform sends you is not your sales. Here is how to record what you really sold, what the platform kept, and what you actually earned.
6 min read
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A monthly bookkeeping checklist for small businesses
Books stay easy when you do a little often. This is the short list to run every week and at the end of every month.
5 min read
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Simple bookkeeping for a sari-sari store or small shop
You do not need an accountant to know if your tindahan is making money. A few minutes a day with the right three lists is enough.
6 min read
Open your books tonight.
Three months free. By the end of the first week, you'll know exactly where your money went.