How to file a complaint with COA?

To file a complaint, provide the following details in the Support Ticket System (

  • Full name, email address, and contact number of the complainant;
  • Nature of concern such as complaint, commendation and appreciation, query, request for assistance, and suggestions;
  • Subject of the concern; − Content of the concern; and − Attachments (if any) Contact info: 0917-320-6543 or [email protected].

(Source: COA Citizens Charter)

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