Step-by-Step Guide to Logging Business Income for BIR Compliance

 For every business owner in the Philippines, staying compliant with the Bureau of Internal Revenue (BIR) is a must — and one of the most important compliance tasks is correctly logging your business income. Accurate income recording in your BIR books of accounts ensures you pay the right amount of taxes and avoid penalties.


If you’re unsure where to start or want to streamline your process, this step-by-step guide will help you log your business income the right way for BIR compliance.


Step 1: Register Your Books of Accounts with the BIR

Before you start recording any transactions, you need to register your books of accounts with the BIR. This can be done by submitting the prescribed forms and supporting documents to the Revenue District Office (RDO) where your business is registered.


Common books include:


Cash Receipts Journal (for cash sales)


Sales Journal (for credit sales)


General Journal


General Ledger


Step 2: Use Official Receipts for Every Income Transaction

The BIR requires businesses to issue BIR-authorized official receipts (ORs) for every sale or service rendered. These receipts serve as your primary source documents when logging income.


Make sure to:


Issue receipts promptly


Use only BIR-accredited receipt books or electronic receipts


Keep copies for your records


Step 3: Record Your Sales Daily

Logging your income should be a daily habit. Whether you made cash sales, credit sales, or earned income from other sources, enter every transaction on the same day it occurs to avoid missing entries or mistakes later on.


Include details such as:


Date of transaction


Name of customer


Receipt or invoice number


Amount received


Step 4: Categorize Your Income Correctly

Separate your income by category to keep your books organized and make tax reporting easier. Typical categories include:


Cash Sales


Credit Sales


Service Income


Other Miscellaneous Income


Step 5: Post Transactions to the Appropriate Books

Once you record the daily transactions in your journals, post the summarized amounts to your General Ledger regularly. This ledger will consolidate all income accounts and is essential for preparing your financial statements and tax returns.


Step 6: Reconcile Your Records Regularly

Perform monthly or quarterly reconciliations between your books of accounts and your bank statements or cash on hand. This process helps catch discrepancies early, such as missing receipts or unrecorded transactions.


Step 7: Keep Your Books Updated and Secure

The BIR requires taxpayers to keep their books for 10 years from the last entry. Store your physical books in a safe place or back up your digital accounting files regularly to prevent loss or damage.


Step 8: Consult a Professional When Needed

If your business transactions become more complex or you’re unsure about certain income classifications, consulting a licensed accountant or tax professional can save you from costly mistakes.


Final Thoughts

Properly logging business income is a cornerstone of BIR compliance and financial management. By following these steps — registering your books, issuing official receipts, recording transactions daily, and reconciling regularly — you’ll build a strong foundation for your business’s tax and accounting success.


Stay consistent, organized, and proactive, and you’ll avoid headaches come tax season.


Would you like me to include sample formats or checklist templates for logging your income?

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DISCLAIMER: This article was published for informational use only. Subsequent and new laws, regulations, issuances and rulings may render the whole or part of the article obsolete or incorrect. For more clarifications and inquiries, please visit your LGU, BIR, DTI and SEC offices or browse their official websites.
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