(a) Owners of single-family detached dwellings having service available may elect to pay all or part of the connection fee in installments. The connection fees provided for in this article may be paid in installments pursuant to a contract the form of which has been approved by the county attorney. Such contracts shall provide for not more than twelve (12) bimonthly installments and shall provide for interest on the unpaid balance at ten (10) percent per annum. A down payment may be made, but it shall result in a remaining balance which is a multiple of one hundred dollars ($100.00). The first bimonthly payment will be billed at the end of the next full utility billing cycle following execution of the installment contract by the owners and will be due within thirty (30) days of the billing date. The unpaid principal may be paid in full without penalty at any time.

(b) Owners of unimproved premises who choose to pay the applicable connection fee may contract to pay all or part of such fee in installments. Such contracts, which shall be approved as to form by the county attorney, shall provide for not more than eighteen (18) bimonthly installments and shall provide for interest on the unpaid balance at ten (10) percent per annum. A down payment may be made, but it shall result in a remaining balance which is a multiple of one hundred dollars ($100.00). The first bimonthly payment will be billed at the end of the next full utility billing cycle following execution of the installment contract by the owner and will be due within thirty (30) days of the billing date. The unpaid principal may be paid in full without penalty at any time.

(c) When water service is provided to an area pursuant to paragraphs (b) or (e) of Section 22-97 and public sewer service is made available or accessible concurrent with the construction of water service, owners desiring or required to connect to both utilities may contract to pay the water connection fee in installments and under the terms set forth in this subparagraph. Such contracts shall be approved as to form by the county attorney and shall provide for a down payment of at least one hundred and fifty dollars ($150.00), which down payment shall result in a remaining balance which is a multiple of one hundred dollars ($100.00). The remaining balance may be paid in bimonthly installments at any time within five (5) years of the date of the notice that sewer service exists, and interest shall not begin to accrue until two (2) years after the notice that sewer service exists is issued. Bimonthly payments shall begin no later than thirty-six (36) months after the notice that sewer service exists is issued. Once bimonthly payments begin bills will be issued in the normal utility billing cycle and shall be due and payable within thirty (30) days of the billing date. Interest, once begun, shall accrue at the rate of ten (10) percent per annum on the unpaid balance. The unpaid principal may be paid in full without penalty at any time.

For the purpose of this subsection "concurrent" means the completion of construction of both water and sewer improvements within a twelve (12) month time frame.

(d) If any installment is not paid when due, the entire remaining balance shall be immediately due and payable. In the cases where initial connection fees were charged pursuant to section 22-97(b) or (c) or (e) of this chapter, the initial connection fee shall be forfeit and the regular connection fee, against which the previously paid principal shall be credited, shall be immediately due and payable.