1. The board of trustees of the common sewer district over the subdistrict formed under the alternative method of formation provided in subsections 3 to 7 of section 204.250 shall have no power to levy or collect any taxes for the payment of any indebtedness incurred by the common sewer district unless and until the voters of the common sewer district or the subdistrict shall have authorized the incurring of indebtedness at an election. All expenses and indebtedness incurred by the common sewer district on behalf of the subdistrict may be paid out of funds which may be received by the common sewer district on behalf of the subdistrict from the sale of bonds authorized by the voters of the subdistrict or the voters of the common sewer district.

2. Nothing in this section shall be construed to prevent the board of trustees from expending funds of the common sewer district for the benefit of the subdistrict or to require the board of trustees to expend funds of the common sewer district for the benefit of the subdistrict.