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BIR Releases Deadline for Filing of Annual Income Tax Returns and Attachments
BIR AITR Deadline Header

BIR Releases Deadline for Filing of Annual Income Tax Returns and Attachments in the Philippines

The Bureau of Internal Revenue (BIR), in an advisory published on April 28, released the deadlines for the filing of amended Annual Income Tax Returns (AITRs) and required attachments in the electronically-filed AITR of the taxable period ending on December 31, 2020. The Bureau strictly reminds taxpayers the due dates for filing to avoid penalties.


This advisory covers due dates for the filing of both AITR and its attachments as follows:

BIR AITR Deadline Table


The submission of attachments to the e-filed AITR shall be through Electronic Audited Financial Statement (eAFS) System or to the Revenue District Office (RDO) where the taxpayer is registered.


The submission of attachments to tentative AITR e-filed on or before April 15, 2021 shall also be subject to the deadline on or before May 30, 2021.

The above-similar deadline shall be followed by taxpayers who intend to amend their returns regardless if due to tax rate corrections or not. Resubmission of attachments to the AITR is not required provided that no revisions and/or changes arise from the amendment of documents already submitted.


Taxpayers shall not bear any penalty for non-submission of attachments to filed AITR provided it is later amended on or before May 15, 2021.


  • Trisha Alexis Maingat

    Trisha Alexis Maingat is a Digital Marketing Specialist juggling ideas to produce concepts for digital and social media campaigns across various online channels. Aside from creative copies, Trish loves to write and contribute articles on topics such as labor and tax advisories, government updates, and business in the Philippines. Maingat Trisha Alexis

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