It shall become the duty of the board of directors of any such district after deciding to take over the duties of levying, assessing and collecting of the taxes of such district to appoint an assessor-collector and treasurer of such district; provided, that one person may be appointed to all of such offices. The person or persons appointed to such offices shall hold the same at the pleasure of the board.

The assessor-collector shall qualify by making and entering into a good and sufficient bond signed by a surety company, authorized to do business in this state, such bond to be subject to the approval of the board of directors and of the district judge of the district in which the office of the irrigation district is located, the amount thereof to be fixed by such board of directors, but such bond shall be in a sum not less than the sum of twenty thousand ($20,000) dollars, conditioned for the faithful performance of his duties as assessor-collector, and for the paying over to the treasurer or to a legal depository all funds or sums of money and other things of value coming into his hands as such assessor-collector. The board of directors may require additional bond or additional security at any time the same be advisable in their judgment. Such assessor- collector shall receive in full compensation for his service such salary as shall be fixed by the board of directors not exceeding the rate of fifteen hundred ($1,500) dollars per annum.

One or more deputies may be appointed by the board of directors to assist the assessor-collector and treasurer, for such period of time as the board may direct, and when so appointed, such deputy shall perform such duties as the board of directors may order, and may be removed at any time, at the pleasure of the board of directors. Any such deputy shall give bond in such amount as the board of directors may require, which shall be conditioned as the bond of the assessor-collector is conditioned.

Such assessor-collector shall perform such other duties as the board of directors shall determine, and the board shall fix his additional compensation, if any, therefor.