4. Call of meetings. Meetings of the board may be called by the chair, or by the chair at the request of any other 2 members, as necessary to carry out this chapter.

5. Conduct of meetings. A majority of the members of the board constitutes a quorum for the purpose of conducting the business of the board and exercising all the powers of the board. A vote of the majority of members present is sufficient for all actions of the board.

6. Powers and duties. The powers and duties of the board are as follows.

A. The board shall license persons to serve as operators of all or part of any public water system.

B. The board shall design and hold at least one examination each year at a time and place designated for the purpose of examining candidates for licensure.

C. The board may enter into contracts to carry out its responsibilities under this section.

7. Fund. The Board of Licensure of Water Treatment Plant System Operators Fund is established and is governed by the following provisions.

A. All money collected by the board in the form of application fees, reinstatement and renewal fees, expense reimbursements ordered by the board or payment for services such as reproduction and distribution of copies of board decisions and photocopying or for the use of facilities must be deposited with the Treasurer of State in a separate account to be known as the Board of Licensure of Water Treatment Plant System Operators Fund.

B. The board may use the fund to defray the reasonable costs incurred by the board in carrying out its duties.

C. Except as specified in this paragraph, any amount within the fund that is not expended at the end of a fiscal year does not lapse, but is carried forward to be expended by the board in carrying out its duties in succeeding fiscal years. Upon certification of the board that certain amounts