REVENUE MEMORANDUM CIRCULAR NO. 110-2025 issued on December 26, 2025 announces the availability of the 2026 BIR Interactive Tax Calendar on the BIR Website (www.bir.gov.ph).

The BIR Interactive Tax Calendar contains the tax deadlines per month, including the filing and payment schedules for Income Tax, Withholding Tax, Value-Added Tax (VAT),Percentage Tax, Excise Tax, Documentary Stamp Tax, and other recurring tax obligations (submission of required documents).

The following features are available in the 2026 BIR Interactive Tax Calendar:

a. List of BIR Forms – users are directed to the List of BIR Forms with link to the PDF file of each form.

b. Attachments and Reports – users are directed to the required attachments to a particular tax return for submission to the BIR.

c. BIR Directory – users are directed to the updated address and contact information of BIR offices, including the name of Head and Assistant Head of BIR offices.

d. Authorized Agent Banks (AABs) – users are directed to the updated list of AABs accepting tax payments.

e. BIR Official Social Media – users are directed to the official BIR Social Media Accounts.

f. Guide on How to Use the BIR Interactive Tax Calendar

With the BlR’s thrust to become highly digital and to save on cost, the printing of the BIR Tax Calendar shall be discontinued.