If the bond election is to be held in an improvement district, notice of the holding of such election shall be given by publishing, pursuant to Section 6066 of the Government Code, the resolution calling the election prior to the date of the proposed election in at least one newspaper printed and published in the municipal water district, if there is a newspaper printed and published in the district. Such resolution shall also be posted in three public places in the improvement district not less than two weeks prior to the date of the proposed election. No other notice of the election need be given.