1)      Install and maintain an internal audit system in the local government unit concerned;

2)      Prepare and   submit financial statements to the mayor, and to the sanggunian con­cerned;

3)      Apprise the sanggu­nian and other local government officials on the financial condition and opera­tions of the local government unit con­cerned;

4)      Certify to the avail­ability of budgetary allotment to which expenditures and obligations may   be properly charged;

5)      Review     supporting documents      before preparation of vouch­ers   to determine completeness of requirements;

6)      Prepare statements of cash advances, liqui­dation, salaries, allowances, reim­bursements and remittances pertain­ing   to the   local government unit;

7)      Prepare statements of journal vouchers and liquidation of   the same and other ad­justments related thereto;

8)      Post individual dis­bursements   to   the subsidiary ledger and index cards;

9)      Maintain   individual ledgers for officials and employees of the local government unit pertaining to   pay­rolls and deductions;

10)  Record and post in index cards details of purchase   furni­ture, fixtures, and equipment, including disposal thereof, if any;

11)  Account for all issued requests for obligations and main­tain and keep all records and report related thereto;

12)  Prepare journals and analysis of obliga­tions and   maintain and keep all records and reports thereto; and

13)  Exercise such other powers and perform such other duties and functions as may be provided by law or ordinance;