1)      Ensure that all laws and policies govern­ing the appraisal and assessment of real properties for taxa­tion purposes are properly executed;

2)      Initiate, review, and recommend changes in policies and objec­tives, plans and programs, techniques, procedures and practices in the valua­tion and assessment of real   properties for taxation purpos­es;

3)      Establish a systemat­ic method of real property assessment;

4)      Install and maintain a real property identification and accounting system;

5)      Prepare, install and maintain a system of tax mapping, showing graphically all properties subject ass­essment and gather all data concerning the same;

6)      Conduct frequent physical surveys to verify and determined whether all real properties within the province are properly listed in the assess­ment rolls;

7)      Exercise the   func­tions of   appraisal and assessment pri­marily for taxation purpose of all real properties   in   the local government unit concerned;

8)      Prepare a schedule of the fair market value for the different classes of real properties, in dance with Title Two, Book I of the Code;

9)      Issue, upon request of any interested party, certified copies of assessment records of real property and all other records rela­tive to its assess­ment, upon payment of a service charge or fee to the treasurer;

10)  Submit every semester a report of all assessments, as well as cancellations and modifications of assessments, to the local chief executive and the sanggunian concerned;

11)  Attend, personally or through an authorized representative, all sessions of the local Board of Assessment Appeals whenever his assessment   is the subject of the appeal and present or submit any information or record in his posses­sion as may be required by the board; and

12)  Exercise such other powers and perform such other duties and functions as may be prescribe by law or ordinance.