Okla. Stat. tit. 19 § 901.17
The board shall sell such bonds from time to time in such quantities as may be necessary and most advantageous to raise the money for the construction of the proposed work, the acquisition of property and rights and otherwise to fully carry out the objects and purposes of this act. Before making any sale of bonds the board shall, at a meeting, by resolution, declare its intention to sell a specified amount of the bonds and the day and hour and place of such sale and shall cause such resolution to be entered in the minutes and notice of the sale to be given by publication thereof at least ten (10) days in some newspaper of said county if published in a daily newspaper or two (2) weeks if published in a weekly newspaper, or said notice may be published in two (2) issues of a daily newspaper provided they are published a week apart. Said bonds may be sold either at public auction for cash to the highest bidder or upon sealed bids as determined by the board of directors. At the time appointed, the board shall award the purchase of the bonds to the highest responsible bidder, but shall reserve and always have the right to reject any and all bids, but said board shall in no event sell any of said bonds for less than par with accrued interest.
Okla. Stat. tit. 19, § 901.17