1. On or before the first day of May of each year, the board shall certify to the county commission of the county within which the district is located a rate of levy so fixed by the board as provided by law, with directions that at the time and in the manner required by law for levy of taxes for county purposes such county commission shall levy a tax at the rate so fixed and determined upon the assessed valuation of all the taxable tangible property within the district, in addition to such other taxes as may be levied by such county commission.

2. If the board thereafter in any year fixes and determines by resolution of the board a rate of levy in excess of fifteen cents per one hundred dollars valuation or of the rate approved by a vote of the majority of the voters of the district voting thereon, as provided herein for general purposes, then the board shall order the submission of the question of levying a tax rate in such increased amount to the voters of the district in the same manner so far as practicable as is provided for the submission of the question to create a bonded indebtedness. Such resolution of the board shall also fix the date upon which the election is to be held.

3. The question shall be submitted in substantially the following form:

Shall the ______ metropolitan water supply district be authorized to levy an annual rate of taxation not exceeding ______ cents per one hundred dollars assessed valuation for general operating purposes?