The chief assessor shall be the treasurer and administrative officer of the primary assessing area and shall in addition perform the following duties:
1. Secretary. Serve as secretary of the executive committee and keep all committee minutes, except as to any meeting involving the chief assessor's removal;
2. Prepare budget. Prepare the annual budget;
3. Purchasing agent. Act as purchasing agent;
4. Appoint personnel. Appoint all personnel subject to approval of the executive committee;
5. Execute contracts. Execute, when approved by the executive committee, all contracts on behalf of the primary assessing area;
6. Other duties and functions. Perform such other duties and functions as are delegated by the executive committee.