September 2025

AI Masterclass, GenAI Learning Session, Philippine Infrastructure Summit

Driving innovation and collaboration

PwC Philippines continues to shape industry conversations and drive innovation through thought leadership events and initiatives. The firm is advancing technology through generative AI projects, such as the AI Masterclass and the development of ChatPwC—a GenAI-powered virtual assistant that enhances efficiency and transforms client service. In infrastructure, the Philippine Infrastructure Summit gathers thought leaders from across the Asia-Pacific region to discuss sustainable development and inclusive growth. These efforts highlight PwC’s dedication to digital innovation and infrastructure progress.

01 September

Monday

Submission of attachments to the 1702 (ITR), together with 1709 (RPT Form), if applicable, for YE 30 April 2025 (e-filers).

Submission of RFC for YE 30 April 2025.

Submission of soft copy of books of accounts and other required documents for YE 31 July 2025 registered under CAS.

Submission of Inventory Lists for YE 31 July 2025.

e-Submission of SLSPI for QE 31 July 2025 (LTS & eFPS filers).

Submission to BOI of BOI Form S-1 by BOI-registered enterprises for YE 30 April 2025.

Remittance of SSS contributions and loan payments for July 2025.

10 September

Wednesday

Filing and payment of 1601-C (WTC) for August 2025 (non-eFPS filers).

Filing and payment of 0619-E and 0619-F (EWT and FWT) for August 2025 (non-eFPS filers).

e-Filing and e-Payment/Filing and payment of 1600 (VAT/PT withheld) for August 2025.

e-Submission of sales report using CRM/POS and/or other sales machine with TIN ending in odd number for August 2025.

Issuance of 2307 (Certificate of VAT/PT withheld) for August 2025.

15 September

Monday

Filing with the SEC of annual report for YE 31 May 2025 by corporations whose securities are registered under the SRC/RSA.

e-Filing of 1601-C (WTC) for August 2025 (Groups A, B and C).

e-Filing of 0619-E and 0619-F (EWT and FWT) for August 2025 (Groups A, B and C).

e-Payment of 1601-C (WTC) for August 2025 (all eFPS filers).

e-Payment of 0619-E and 0619-F (EWT and FWT) for August 2025 (all eFPS filers).

e-Filing and e-Payment/Filing and payment of 1702 (ITR) and other required attachments for YE 31 May 2025.

e-Filing and e-Payment/Filing and payment of 1707-A (CGT) for YE 31 May 2025.

Submission of bound loose-leaf books of accounts and other required documents for YE 31 August 2025 registered under loose-leaf.

Submission of notarized sworn declaration of new income recipients, availing of lower EWT rate or tax exemption, by withholding agents to the BIR for August 2025.

Submission to PEZA/BOI of AFS and ITR filed with the BIR on 15 August 2025 by PEZA/BOI-registered enterprises whose YE 30 April 2025.

Submission to PEZA/BOI of ATIR and ABR (Annexes A.1 to B.2) by PEZA/BOI-registered enterprises for YE 30 April 2025.

Submission to PEZA via ACMS of 1702Q (ITR) filed with the BIR on 29 August 2025 by PEZA-registered enterprises for QE 30 June 2025.

Remittance of PHIC contributions for August 2025 by employers whose PEN ends in 0 to 4.

Remittance of HDMF loan payments for August 2025.

30 September

Tuesday

Submission of attachments to the 1702 (ITR), together with 1709 (RPT Form), if applicable, for YE 31 May 2025 (e-filers).

Submission of RFC for YE 31 May 2025.

Submission of soft copy of books of accounts and other required documents for YE 31 August 2025 registered under CAS.

Submission of Inventory Lists for YE 31 August 2025.

e-Submission of SLSPI for QE 31 August 2025 (LTS & eFPS filers).

Submission to BOI of BOI Form S-1 by BOI-registered enterprises for YE 31 May 2025.

Remittance of SSS contributions and loan payments for August 2025.

Remittance of HDMF contributions for August 2025 by employers whose names begin with letters R to Z or numeral.

Payment of 3rd installment of RPT for 2025.

This Tax Calendar has been prepared by the Tax-Client Accounting Services (CAS) group of Isla Lipana & Co., the Philippine member firm of the PwC network, based on relevant laws, rules, and regulations issued as of 31 October 2024 by various government agencies.

While every effort has been made to ensure accuracy, neither our firm nor any of our partners/staff shall be liable on any ground whatsoever to any party in respect of decisions or actions they may take as a result of using this calendar. Where particular questions arise in its use, please consult our Tax-CAS group.