BIR 1601C: Monthly Remittance Return
Fill BIR 1601C: Monthly Remittance Return online and download the official form as a PDF, ready to print. Every input is mapped to its printed box, so IDs, dates and amounts land digit by digit in the right cells, and a value the form cannot hold is refused with the reason instead of being printed wrong.
What you will need: Amended Return?, Any Taxes Withheld?, Number of Sheet/s Attached, Taxpayer Identification Number (TIN), RDO Code, Registered Address, ZIP Code, Contact Number, Category of Withholding Agent, Email Address, If yes, specify, Total Amount of Compensation.
When it is due: 10th day of the month following the applicable month.
Before you file: Due on or before the 10th day of the month after withholding; December's is due January 15. File and pay with an AAB of the RDO over your place of business; where there is no AAB, with that RDO's Revenue Collection Officer. eFPS users follow eFPS deadlines. For a corporation, the president, vice-president or an authorized officer signs.
The form is the agency's own, from bir-cdn.bir.gov.ph (checked 2026-10-14): the PDF you download is that form with your values printed in its boxes.
Part of the form pack: Small office with 1–10 employees (Each month you report and pay the tax you withheld from your employees' pay).
The free clean PDF is that pack’s shortest form. A later form in the same pack needs the Starter plan (₱499) or above. Preview, check, and verify stay free. Not affiliated with BIR, SSS, PhilHealth, Pag-IBIG or any government agency.