Bureau of Internal Revenue (BIR) is the agency of the government which powers and duties comprehend the assessment and collection of all internal revenue taxes, fees, and charges in the Philippines. It is under the supervision and control of the Department of Finance (DOF). It is likewise empowered to enforce all forfeitures, penalties, and fines connected with the internal revenue taxes, including the execution of judgments in all cases decided in its favor by the Court of Tax Appeals and the ordinary courts.

Your business is required to be registered with the BIR for purposes of paying related internal revenue taxes applicable to your industry and transactions. You shall likewise be required to register your books of accounts, either or both computerized and manual, official receipts and invoices, and will be required to comply with some reportorial requirements from time to time by virtue of the registration therewith.

Along the operations of your business, it is with the BIR that you may undergo refund of taxes or for issuance of tax credit certificates, defend against tax assessments, and apply for dissolution in case you decide to terminate with your business.

For more details, you may right-click and open in new tab the BIR website here.