MANDATE
In charge of the Treasury Office, take custody and exercise proper management of funds and perform the duties provided for under Book II of the Local Government Code.
VISION
A department actively working for a good governance spiritually on the collection, custody and proper disbursement of funds, revenue stability, accessibility and timeliness on service delivery.
MISSION
To ensure an effective and efficient revenue generation and management of financial resources of the Municipal Government of Tiwi, continue its vigorous efforts to generate more local revenue, thus, increase its financial capacity by fully intensifying collection to carry out the programs, projects and activities in order to provide the delivery of basic services to its constituents.
ORGANIZATIONAL STRUCTURE
| Municipal Treasurer (Department Head) | Amie C. Castelo |
| Local Treasury Operations Officer III | Hilda C. Dacoco |
| Local Treasury Operations Officer III | Sofio Teotimo C. Pacis |
| Administrative Assistant II | Neneth P. Biscocho |
| Revenue Collection Clerk II | Klem C. Clemeña |
| Administrative Aide IV (Clerk II) | Japhet Keen I. Chavez |
| Administrative Aide I | Analie C. De Guzman |
| Administrative Aide I | Salvador B. Sarilla |
| Administrative Aide I | Rommel C. Colasi |
| Administrative Aide I | Arvin V. Condat |
| Job Order (MTO) | Kymfe Q. Abarquez |
| Marites A. Marrero | |
| Faye Pontigon | |
| Glamella C. Tan | |
| Zante C. Barrios | |
| Victor C. Cano | |
| Job Order (Market Operation) | Glen Consulta |
| John Paul P. Cernechez | |
| Allan C. Clado | |
| Gil P. Palencia | |
| Felix C. Bersoza | |
| Dory Jane Jeminez | |
| Job Order (Slaughterhouse Operation) | Ruben S. Bobis Jr. |