1. Advices the Honorable Governor, the Sangguniang Panlalawigan and other Provincial and national officials concerned regarding disposition of Provincial funds and on such other matters relative to public finance;
2. Takes custody and exercises proper management of all provincial funds;
3. Maintains and updates the tax information system of the Province;
4. Takes charge of the proper disbursement of all provincial funds and such other funds the custudy of which may be entrusted to the Office by law or other competent authority;
5. Inspects under Authority all Private Commercial and Industrial Establishments within the Province in Relation to the Implementation of Provincial Tax Ordinance;
6. Collects taxes, fees and charges throughout the province as authorized by law and ordinances;
7. Exercises technical supervision over all treasury offices of the municipalities of Benguet; and
8. Exercises such other powers and performs such other duties and functions as may be prescribed by law or ordinances.