The Government Procurement Policy Board – Technical Support Office (GPPB-TSO) issues this advisory to guide all stakeholders on the proper channels for communication and document submission.

Please be reminded of the following:

1. Official Communications: All official correspondences, including inquiries and requests, should be addressed to Atty. Maria Dionesia A. Rivera-Guillermo, Officer-in-Charge of the GPPB-TSO.
2. Email Correspondence: To ensure proper tracking and timely response, please send all email communications to the official GPPB address: gppb@gppb.gov.ph. Use of unofficial channels or personal email addresses is discouraged.
3. Submission of Hard Copies: Hard copies of documents may be submitted to the GPPB-TSO Records Office at:📍 G/F GPPB-TSO Building, Commonwealth Avenue, UP Diliman, Quezon City.

Your continued cooperation in observing these guidelines helps us maintain efficient and responsive service. Thank you.