1. Notwithstanding sections 67.1531, 67.1545, and 67.1551, if the petition was filed pursuant to subdivision (5) of subsection 2 of section 67.1421 by a governing body of the city, the governing body may adopt an ordinance approving the petition and submit a ballot to the qualified voters of the district; the question shall be in substantially the following form:
2. A district levying a real property tax pursuant to this section may repeal or amend such real property tax or lower the tax rate of such tax if such repeal, amendment or lower rate will not impair the district's ability to repay any liabilities which it has incurred, money which it has borrowed or obligations that it has issued to finance any improvements or services rendered within the district.
3. An election conducted under this section may be conducted in accordance with the provisions of chapter 115 or by mail-in ballot.